S21: Open wound of thorax
Codes under S21 (Open wound of thorax). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| S21.0 | Open wound of breast | — |
| S21.0 | Open wound of breast | — |
| S21.00 | Unspecified open wound of breast | — |
| S21.00 | Unspecified open wound of breast | — |
| S21.001 | Unspecified open wound of right breast | — |
| S21.001 | Unspecified open wound of right breast | — |
| S21.01 | Laceration without foreign body of breast | — |
| S21.01 | Laceration without foreign body of breast | — |
| S21.1 | Open wound of front wall of thorax without penetration into thoracic cavity | — |
| S21.1 | Open wound of front wall of thorax without penetration into thoracic cavity | — |
| S21.001A | Unspecified open wound of right breast, initial encounter | ✓ |
| S21.001A | Unspecified open wound of right breast, initial encounter | ✓ |
| S21.001D | Unspecified open wound of right breast, subsequent encounter | ✓ |
| S21.001D | Unspecified open wound of right breast, subsequent encounter | ✓ |
| S21.001S | Unspecified open wound of right breast, sequela | ✓ |
| S21.001S | Unspecified open wound of right breast, sequela | ✓ |
| S21.002 | Unspecified open wound of left breast | — |
| S21.002 | Unspecified open wound of left breast | — |
| S21.02 | Laceration with foreign body of breast | — |
| S21.02 | Laceration with foreign body of breast | — |
| S21.2 | Open wound of back wall of thorax without penetration into thoracic cavity | — |
| S21.2 | Open wound of back wall of thorax without penetration into thoracic cavity | — |
| S21.002A | Unspecified open wound of left breast, initial encounter | ✓ |
| S21.002A | Unspecified open wound of left breast, initial encounter | ✓ |
| S21.002D | Unspecified open wound of left breast, subsequent encounter | ✓ |
| S21.002D | Unspecified open wound of left breast, subsequent encounter | ✓ |
| S21.002S | Unspecified open wound of left breast, sequela | ✓ |
| S21.002S | Unspecified open wound of left breast, sequela | ✓ |
| S21.03 | Puncture wound without foreign body of breast | — |
| S21.03 | Puncture wound without foreign body of breast | — |
| S21.3 | Open wound of front wall of thorax with penetration into thoracic cavity | — |
| S21.3 | Open wound of front wall of thorax with penetration into thoracic cavity | — |
| S21.04 | Puncture wound with foreign body of breast | — |
| S21.04 | Puncture wound with foreign body of breast | — |
| S21.4 | Open wound of back wall of thorax with penetration into thoracic cavity | — |
| S21.4 | Open wound of back wall of thorax with penetration into thoracic cavity | — |
| S21.05 | Open bite of breast | — |
| S21.05 | Open bite of breast | — |
| S21.009 | Unspecified open wound of unspecified breast | — |
| S21.009 | Unspecified open wound of unspecified breast | — |
| S21.9 | Open wound of unspecified part of thorax | — |
| S21.9 | Open wound of unspecified part of thorax | — |
| S21.009A | Unspecified open wound of unspecified breast, initial encounter | ✓ |
| S21.009A | Unspecified open wound of unspecified breast, initial encounter | ✓ |
| S21.009D | Unspecified open wound of unspecified breast, subsequent encounter | ✓ |
| S21.009D | Unspecified open wound of unspecified breast, subsequent encounter | ✓ |
| S21.009S | Unspecified open wound of unspecified breast, sequela | ✓ |
| S21.009S | Unspecified open wound of unspecified breast, sequela | ✓ |
| S21.10 | Unspecified open wound of front wall of thorax without penetration into thoracic cavity | — |
| S21.10 | Unspecified open wound of front wall of thorax without penetration into thoracic cavity | — |
| S21.011 | Laceration without foreign body of right breast | — |
| S21.011 | Laceration without foreign body of right breast | — |
| S21.11 | Laceration without foreign body of front wall of thorax without penetration into thoracic cavity | — |
| S21.11 | Laceration without foreign body of front wall of thorax without penetration into thoracic cavity | — |
| S21.011A | Laceration without foreign body of right breast, initial encounter | ✓ |
| S21.011A | Laceration without foreign body of right breast, initial encounter | ✓ |
| S21.011D | Laceration without foreign body of right breast, subsequent encounter | ✓ |
| S21.011D | Laceration without foreign body of right breast, subsequent encounter | ✓ |
| S21.011S | Laceration without foreign body of right breast, sequela | ✓ |
| S21.011S | Laceration without foreign body of right breast, sequela | ✓ |
| S21.012 | Laceration without foreign body of left breast | — |
| S21.012 | Laceration without foreign body of left breast | — |
| S21.12 | Laceration with foreign body of front wall of thorax without penetration into thoracic cavity | — |
| S21.12 | Laceration with foreign body of front wall of thorax without penetration into thoracic cavity | — |
| S21.012A | Laceration without foreign body of left breast, initial encounter | ✓ |
| S21.012A | Laceration without foreign body of left breast, initial encounter | ✓ |
| S21.012D | Laceration without foreign body of left breast, subsequent encounter | ✓ |
| S21.012D | Laceration without foreign body of left breast, subsequent encounter | ✓ |
| S21.012S | Laceration without foreign body of left breast, sequela | ✓ |
| S21.012S | Laceration without foreign body of left breast, sequela | ✓ |
| S21.13 | Puncture wound without foreign body of front wall of thorax without penetration into thoracic cavity | — |
| S21.13 | Puncture wound without foreign body of front wall of thorax without penetration into thoracic cavity | — |
| S21.14 | Puncture wound with foreign body of front wall of thorax without penetration into thoracic cavity | — |
| S21.14 | Puncture wound with foreign body of front wall of thorax without penetration into thoracic cavity | — |
| S21.15 | Open bite of front wall of thorax without penetration into thoracic cavity | — |
| S21.15 | Open bite of front wall of thorax without penetration into thoracic cavity | — |
| S21.019 | Laceration without foreign body of unspecified breast | — |
| S21.019 | Laceration without foreign body of unspecified breast | — |
| S21.019A | Laceration without foreign body of unspecified breast, initial encounter | ✓ |
| S21.019A | Laceration without foreign body of unspecified breast, initial encounter | ✓ |
| S21.019D | Laceration without foreign body of unspecified breast, subsequent encounter | ✓ |
| S21.019D | Laceration without foreign body of unspecified breast, subsequent encounter | ✓ |
| S21.019S | Laceration without foreign body of unspecified breast, sequela | ✓ |
| S21.019S | Laceration without foreign body of unspecified breast, sequela | ✓ |
| S21.20 | Unspecified open wound of back wall of thorax without penetration into thoracic cavity | — |
| S21.20 | Unspecified open wound of back wall of thorax without penetration into thoracic cavity | — |
| S21.021 | Laceration with foreign body of right breast | — |
| S21.021 | Laceration with foreign body of right breast | — |
| S21.21 | Laceration without foreign body of back wall of thorax without penetration into thoracic cavity | — |
| S21.21 | Laceration without foreign body of back wall of thorax without penetration into thoracic cavity | — |
| S21.021A | Laceration with foreign body of right breast, initial encounter | ✓ |
| S21.021A | Laceration with foreign body of right breast, initial encounter | ✓ |
| S21.021D | Laceration with foreign body of right breast, subsequent encounter | ✓ |
| S21.021D | Laceration with foreign body of right breast, subsequent encounter | ✓ |
| S21.021S | Laceration with foreign body of right breast, sequela | ✓ |
| S21.021S | Laceration with foreign body of right breast, sequela | ✓ |
| S21.022 | Laceration with foreign body of left breast | — |
| S21.022 | Laceration with foreign body of left breast | — |
| S21.22 | Laceration with foreign body of back wall of thorax without penetration into thoracic cavity | — |
| S21.22 | Laceration with foreign body of back wall of thorax without penetration into thoracic cavity | — |
| S21.022A | Laceration with foreign body of left breast, initial encounter | ✓ |
| S21.022A | Laceration with foreign body of left breast, initial encounter | ✓ |
| S21.022D | Laceration with foreign body of left breast, subsequent encounter | ✓ |
| S21.022D | Laceration with foreign body of left breast, subsequent encounter | ✓ |
| S21.022S | Laceration with foreign body of left breast, sequela | ✓ |
| S21.022S | Laceration with foreign body of left breast, sequela | ✓ |
| S21.23 | Puncture wound without foreign body of back wall of thorax without penetration into thoracic cavity | — |
| S21.23 | Puncture wound without foreign body of back wall of thorax without penetration into thoracic cavity | — |
| S21.24 | Puncture wound with foreign body of back wall of thorax without penetration into thoracic cavity | — |
| S21.24 | Puncture wound with foreign body of back wall of thorax without penetration into thoracic cavity | — |
| S21.25 | Open bite of back wall of thorax without penetration into thoracic cavity | — |
| S21.25 | Open bite of back wall of thorax without penetration into thoracic cavity | — |
| S21.029 | Laceration with foreign body of unspecified breast | — |
| S21.029 | Laceration with foreign body of unspecified breast | — |
| S21.029A | Laceration with foreign body of unspecified breast, initial encounter | ✓ |
| S21.029A | Laceration with foreign body of unspecified breast, initial encounter | ✓ |
| S21.029D | Laceration with foreign body of unspecified breast, subsequent encounter | ✓ |
| S21.029D | Laceration with foreign body of unspecified breast, subsequent encounter | ✓ |
| S21.029S | Laceration with foreign body of unspecified breast, sequela | ✓ |
| S21.029S | Laceration with foreign body of unspecified breast, sequela | ✓ |
| S21.30 | Unspecified open wound of front wall of thorax with penetration into thoracic cavity | — |
| S21.30 | Unspecified open wound of front wall of thorax with penetration into thoracic cavity | — |
| S21.031 | Puncture wound without foreign body of right breast | — |
| S21.031 | Puncture wound without foreign body of right breast | — |
| S21.31 | Laceration without foreign body of front wall of thorax with penetration into thoracic cavity | — |
| S21.31 | Laceration without foreign body of front wall of thorax with penetration into thoracic cavity | — |
| S21.031A | Puncture wound without foreign body of right breast, initial encounter | ✓ |
| S21.031A | Puncture wound without foreign body of right breast, initial encounter | ✓ |
| S21.031D | Puncture wound without foreign body of right breast, subsequent encounter | ✓ |
| S21.031D | Puncture wound without foreign body of right breast, subsequent encounter | ✓ |
| S21.031S | Puncture wound without foreign body of right breast, sequela | ✓ |
| S21.031S | Puncture wound without foreign body of right breast, sequela | ✓ |
| S21.032 | Puncture wound without foreign body of left breast | — |
| S21.032 | Puncture wound without foreign body of left breast | — |
| S21.32 | Laceration with foreign body of front wall of thorax with penetration into thoracic cavity | — |
| S21.32 | Laceration with foreign body of front wall of thorax with penetration into thoracic cavity | — |
| S21.032A | Puncture wound without foreign body of left breast, initial encounter | ✓ |
| S21.032A | Puncture wound without foreign body of left breast, initial encounter | ✓ |
| S21.032D | Puncture wound without foreign body of left breast, subsequent encounter | ✓ |
| S21.032D | Puncture wound without foreign body of left breast, subsequent encounter | ✓ |
| S21.032S | Puncture wound without foreign body of left breast, sequela | ✓ |
| S21.032S | Puncture wound without foreign body of left breast, sequela | ✓ |
| S21.33 | Puncture wound without foreign body of front wall of thorax with penetration into thoracic cavity | — |
| S21.33 | Puncture wound without foreign body of front wall of thorax with penetration into thoracic cavity | — |
| S21.34 | Puncture wound with foreign body of front wall of thorax with penetration into thoracic cavity | — |
| S21.34 | Puncture wound with foreign body of front wall of thorax with penetration into thoracic cavity | — |
| S21.35 | Open bite of front wall of thorax with penetration into thoracic cavity | — |
| S21.35 | Open bite of front wall of thorax with penetration into thoracic cavity | — |
| S21.039 | Puncture wound without foreign body of unspecified breast | — |
| S21.039 | Puncture wound without foreign body of unspecified breast | — |
| S21.039A | Puncture wound without foreign body of unspecified breast, initial encounter | ✓ |
| S21.039A | Puncture wound without foreign body of unspecified breast, initial encounter | ✓ |
| S21.039D | Puncture wound without foreign body of unspecified breast, subsequent encounter | ✓ |
| S21.039D | Puncture wound without foreign body of unspecified breast, subsequent encounter | ✓ |
| S21.039S | Puncture wound without foreign body of unspecified breast, sequela | ✓ |
| S21.039S | Puncture wound without foreign body of unspecified breast, sequela | ✓ |
| S21.40 | Unspecified open wound of back wall of thorax with penetration into thoracic cavity | — |
| S21.40 | Unspecified open wound of back wall of thorax with penetration into thoracic cavity | — |
| S21.041 | Puncture wound with foreign body of right breast | — |
| S21.041 | Puncture wound with foreign body of right breast | — |
| S21.41 | Laceration without foreign body of back wall of thorax with penetration into thoracic cavity | — |
| S21.41 | Laceration without foreign body of back wall of thorax with penetration into thoracic cavity | — |
| S21.041A | Puncture wound with foreign body of right breast, initial encounter | ✓ |
| S21.041A | Puncture wound with foreign body of right breast, initial encounter | ✓ |
| S21.041D | Puncture wound with foreign body of right breast, subsequent encounter | ✓ |
| S21.041D | Puncture wound with foreign body of right breast, subsequent encounter | ✓ |
| S21.041S | Puncture wound with foreign body of right breast, sequela | ✓ |
| S21.041S | Puncture wound with foreign body of right breast, sequela | ✓ |
| S21.042 | Puncture wound with foreign body of left breast | — |
| S21.042 | Puncture wound with foreign body of left breast | — |
| S21.42 | Laceration with foreign body of back wall of thorax with penetration into thoracic cavity | — |
| S21.42 | Laceration with foreign body of back wall of thorax with penetration into thoracic cavity | — |
| S21.042A | Puncture wound with foreign body of left breast, initial encounter | ✓ |
| S21.042A | Puncture wound with foreign body of left breast, initial encounter | ✓ |
| S21.042D | Puncture wound with foreign body of left breast, subsequent encounter | ✓ |
| S21.042D | Puncture wound with foreign body of left breast, subsequent encounter | ✓ |
| S21.042S | Puncture wound with foreign body of left breast, sequela | ✓ |
| S21.042S | Puncture wound with foreign body of left breast, sequela | ✓ |
| S21.43 | Puncture wound without foreign body of back wall of thorax with penetration into thoracic cavity | — |
| S21.43 | Puncture wound without foreign body of back wall of thorax with penetration into thoracic cavity | — |
| S21.44 | Puncture wound with foreign body of back wall of thorax with penetration into thoracic cavity | — |
| S21.44 | Puncture wound with foreign body of back wall of thorax with penetration into thoracic cavity | — |
| S21.45 | Open bite of back wall of thorax with penetration into thoracic cavity | — |
| S21.45 | Open bite of back wall of thorax with penetration into thoracic cavity | — |
| S21.049 | Puncture wound with foreign body of unspecified breast | — |
| S21.049 | Puncture wound with foreign body of unspecified breast | — |
| S21.049A | Puncture wound with foreign body of unspecified breast, initial encounter | ✓ |
| S21.049A | Puncture wound with foreign body of unspecified breast, initial encounter | ✓ |
| S21.049D | Puncture wound with foreign body of unspecified breast, subsequent encounter | ✓ |
| S21.049D | Puncture wound with foreign body of unspecified breast, subsequent encounter | ✓ |
| S21.049S | Puncture wound with foreign body of unspecified breast, sequela | ✓ |
| S21.049S | Puncture wound with foreign body of unspecified breast, sequela | ✓ |
| S21.051 | Open bite of right breast | — |
| S21.051 | Open bite of right breast | — |
| S21.051A | Open bite of right breast, initial encounter | ✓ |
| S21.051A | Open bite of right breast, initial encounter | ✓ |
| S21.051D | Open bite of right breast, subsequent encounter | ✓ |
| S21.051D | Open bite of right breast, subsequent encounter | ✓ |
| S21.051S | Open bite of right breast, sequela | ✓ |
| S21.051S | Open bite of right breast, sequela | ✓ |
| S21.052 | Open bite of left breast | — |
| S21.052 | Open bite of left breast | — |
| S21.052A | Open bite of left breast, initial encounter | ✓ |
| S21.052A | Open bite of left breast, initial encounter | ✓ |
| S21.052D | Open bite of left breast, subsequent encounter | ✓ |
| S21.052D | Open bite of left breast, subsequent encounter | ✓ |
| S21.052S | Open bite of left breast, sequela | ✓ |
| S21.052S | Open bite of left breast, sequela | ✓ |
| S21.059 | Open bite of unspecified breast | — |
| S21.059 | Open bite of unspecified breast | — |
| S21.059A | Open bite of unspecified breast, initial encounter | ✓ |
| S21.059A | Open bite of unspecified breast, initial encounter | ✓ |
| S21.059D | Open bite of unspecified breast, subsequent encounter | ✓ |
| S21.059D | Open bite of unspecified breast, subsequent encounter | ✓ |
| S21.059S | Open bite of unspecified breast, sequela | ✓ |
| S21.059S | Open bite of unspecified breast, sequela | ✓ |
| S21.90 | Unspecified open wound of unspecified part of thorax | — |
| S21.90 | Unspecified open wound of unspecified part of thorax | — |
| S21.90XA | Unspecified open wound of unspecified part of thorax, initial encounter | ✓ |
| S21.90XA | Unspecified open wound of unspecified part of thorax, initial encounter | ✓ |
| S21.90XD | Unspecified open wound of unspecified part of thorax, subsequent encounter | ✓ |
| S21.90XD | Unspecified open wound of unspecified part of thorax, subsequent encounter | ✓ |
| S21.90XS | Unspecified open wound of unspecified part of thorax, sequela | ✓ |
| S21.90XS | Unspecified open wound of unspecified part of thorax, sequela | ✓ |
| S21.91 | Laceration without foreign body of unspecified part of thorax | — |
| S21.91 | Laceration without foreign body of unspecified part of thorax | — |
| S21.91XA | Laceration without foreign body of unspecified part of thorax, initial encounter | ✓ |
| S21.91XA | Laceration without foreign body of unspecified part of thorax, initial encounter | ✓ |
| S21.91XD | Laceration without foreign body of unspecified part of thorax, subsequent encounter | ✓ |
| S21.91XD | Laceration without foreign body of unspecified part of thorax, subsequent encounter | ✓ |
| S21.91XS | Laceration without foreign body of unspecified part of thorax, sequela | ✓ |
| S21.91XS | Laceration without foreign body of unspecified part of thorax, sequela | ✓ |
| S21.92 | Laceration with foreign body of unspecified part of thorax | — |
| S21.92 | Laceration with foreign body of unspecified part of thorax | — |
| S21.92XA | Laceration with foreign body of unspecified part of thorax, initial encounter | ✓ |
| S21.92XA | Laceration with foreign body of unspecified part of thorax, initial encounter | ✓ |
| S21.92XD | Laceration with foreign body of unspecified part of thorax, subsequent encounter | ✓ |
| S21.92XD | Laceration with foreign body of unspecified part of thorax, subsequent encounter | ✓ |
| S21.92XS | Laceration with foreign body of unspecified part of thorax, sequela | ✓ |
| S21.92XS | Laceration with foreign body of unspecified part of thorax, sequela | ✓ |
| S21.93 | Puncture wound without foreign body of unspecified part of thorax | — |
| S21.93 | Puncture wound without foreign body of unspecified part of thorax | — |
| S21.93XA | Puncture wound without foreign body of unspecified part of thorax, initial encounter | ✓ |
| S21.93XA | Puncture wound without foreign body of unspecified part of thorax, initial encounter | ✓ |
| S21.93XD | Puncture wound without foreign body of unspecified part of thorax, subsequent encounter | ✓ |
| S21.93XD | Puncture wound without foreign body of unspecified part of thorax, subsequent encounter | ✓ |
| S21.93XS | Puncture wound without foreign body of unspecified part of thorax, sequela | ✓ |
| S21.93XS | Puncture wound without foreign body of unspecified part of thorax, sequela | ✓ |
| S21.94 | Puncture wound with foreign body of unspecified part of thorax | — |
| S21.94 | Puncture wound with foreign body of unspecified part of thorax | — |
| S21.94XA | Puncture wound with foreign body of unspecified part of thorax, initial encounter | ✓ |
| S21.94XA | Puncture wound with foreign body of unspecified part of thorax, initial encounter | ✓ |
| S21.94XD | Puncture wound with foreign body of unspecified part of thorax, subsequent encounter | ✓ |
| S21.94XD | Puncture wound with foreign body of unspecified part of thorax, subsequent encounter | ✓ |
| S21.94XS | Puncture wound with foreign body of unspecified part of thorax, sequela | ✓ |
| S21.94XS | Puncture wound with foreign body of unspecified part of thorax, sequela | ✓ |
| S21.95 | Open bite of unspecified part of thorax | — |
| S21.95 | Open bite of unspecified part of thorax | — |
| S21.95XA | Open bite of unspecified part of thorax, initial encounter | ✓ |
| S21.95XA | Open bite of unspecified part of thorax, initial encounter | ✓ |
| S21.95XD | Open bite of unspecified part of thorax, subsequent encounter | ✓ |
| S21.95XD | Open bite of unspecified part of thorax, subsequent encounter | ✓ |
| S21.95XS | Open bite of unspecified part of thorax, sequela | ✓ |
| S21.95XS | Open bite of unspecified part of thorax, sequela | ✓ |
| S21.101 | Unspecified open wound of right front wall of thorax without penetration into thoracic cavity | — |
| S21.101 | Unspecified open wound of right front wall of thorax without penetration into thoracic cavity | — |
| S21.101A | Unspecified open wound of right front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.101A | Unspecified open wound of right front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.101D | Unspecified open wound of right front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.101D | Unspecified open wound of right front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.101S | Unspecified open wound of right front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.101S | Unspecified open wound of right front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.102 | Unspecified open wound of left front wall of thorax without penetration into thoracic cavity | — |
| S21.102 | Unspecified open wound of left front wall of thorax without penetration into thoracic cavity | — |
| S21.102A | Unspecified open wound of left front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.102A | Unspecified open wound of left front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.102D | Unspecified open wound of left front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.102D | Unspecified open wound of left front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.102S | Unspecified open wound of left front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.102S | Unspecified open wound of left front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.109 | Unspecified open wound of unspecified front wall of thorax without penetration into thoracic cavity | — |
| S21.109 | Unspecified open wound of unspecified front wall of thorax without penetration into thoracic cavity | — |
| S21.109A | Unspecified open wound of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.109A | Unspecified open wound of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.109D | Unspecified open wound of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.109D | Unspecified open wound of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.109S | Unspecified open wound of unspecified front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.109S | Unspecified open wound of unspecified front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.111 | Laceration without foreign body of right front wall of thorax without penetration into thoracic cavity | — |
| S21.111 | Laceration without foreign body of right front wall of thorax without penetration into thoracic cavity | — |
| S21.111A | Laceration without foreign body of right front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.111A | Laceration without foreign body of right front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.111D | Laceration without foreign body of right front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.111D | Laceration without foreign body of right front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.111S | Laceration without foreign body of right front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.111S | Laceration without foreign body of right front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.112 | Laceration without foreign body of left front wall of thorax without penetration into thoracic cavity | — |
| S21.112 | Laceration without foreign body of left front wall of thorax without penetration into thoracic cavity | — |
| S21.112A | Laceration without foreign body of left front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.112A | Laceration without foreign body of left front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.112D | Laceration without foreign body of left front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.112D | Laceration without foreign body of left front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.112S | Laceration without foreign body of left front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.112S | Laceration without foreign body of left front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.119 | Laceration without foreign body of unspecified front wall of thorax without penetration into thoracic cavity | — |
| S21.119 | Laceration without foreign body of unspecified front wall of thorax without penetration into thoracic cavity | — |
| S21.119A | Laceration without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.119A | Laceration without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.119D | Laceration without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.119D | Laceration without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.119S | Laceration without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.119S | Laceration without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.121 | Laceration with foreign body of right front wall of thorax without penetration into thoracic cavity | — |
| S21.121 | Laceration with foreign body of right front wall of thorax without penetration into thoracic cavity | — |
| S21.121A | Laceration with foreign body of right front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.121A | Laceration with foreign body of right front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.121D | Laceration with foreign body of right front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.121D | Laceration with foreign body of right front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.121S | Laceration with foreign body of right front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.121S | Laceration with foreign body of right front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.122 | Laceration with foreign body of left front wall of thorax without penetration into thoracic cavity | — |
| S21.122 | Laceration with foreign body of left front wall of thorax without penetration into thoracic cavity | — |
| S21.122A | Laceration with foreign body of left front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.122A | Laceration with foreign body of left front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.122D | Laceration with foreign body of left front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.122D | Laceration with foreign body of left front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.122S | Laceration with foreign body of left front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.122S | Laceration with foreign body of left front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.129 | Laceration with foreign body of unspecified front wall of thorax without penetration into thoracic cavity | — |
| S21.129 | Laceration with foreign body of unspecified front wall of thorax without penetration into thoracic cavity | — |
| S21.129A | Laceration with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.129A | Laceration with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.129D | Laceration with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.129D | Laceration with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.129S | Laceration with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.129S | Laceration with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.131 | Puncture wound without foreign body of right front wall of thorax without penetration into thoracic cavity | — |
| S21.131 | Puncture wound without foreign body of right front wall of thorax without penetration into thoracic cavity | — |
| S21.131A | Puncture wound without foreign body of right front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.131A | Puncture wound without foreign body of right front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.131D | Puncture wound without foreign body of right front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.131D | Puncture wound without foreign body of right front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.131S | Puncture wound without foreign body of right front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.131S | Puncture wound without foreign body of right front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.132 | Puncture wound without foreign body of left front wall of thorax without penetration into thoracic cavity | — |
| S21.132 | Puncture wound without foreign body of left front wall of thorax without penetration into thoracic cavity | — |
| S21.132A | Puncture wound without foreign body of left front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.132A | Puncture wound without foreign body of left front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.132D | Puncture wound without foreign body of left front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.132D | Puncture wound without foreign body of left front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.132S | Puncture wound without foreign body of left front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.132S | Puncture wound without foreign body of left front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.139 | Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity | — |
| S21.139 | Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity | — |
| S21.139A | Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.139A | Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.139D | Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.139D | Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.139S | Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.139S | Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.141 | Puncture wound with foreign body of right front wall of thorax without penetration into thoracic cavity | — |
| S21.141 | Puncture wound with foreign body of right front wall of thorax without penetration into thoracic cavity | — |
| S21.141A | Puncture wound with foreign body of right front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.141A | Puncture wound with foreign body of right front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.141D | Puncture wound with foreign body of right front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.141D | Puncture wound with foreign body of right front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.141S | Puncture wound with foreign body of right front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.141S | Puncture wound with foreign body of right front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.142 | Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity | — |
| S21.142 | Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity | — |
| S21.142A | Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.142A | Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.142D | Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.142D | Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.142S | Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.142S | Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.149 | Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity | — |
| S21.149 | Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity | — |
| S21.149A | Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.149A | Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.149D | Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.149D | Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.149S | Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.149S | Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.151 | Open bite of right front wall of thorax without penetration into thoracic cavity | — |
| S21.151 | Open bite of right front wall of thorax without penetration into thoracic cavity | — |
| S21.151A | Open bite of right front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.151A | Open bite of right front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.151D | Open bite of right front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.151D | Open bite of right front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.151S | Open bite of right front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.151S | Open bite of right front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.152 | Open bite of left front wall of thorax without penetration into thoracic cavity | — |
| S21.152 | Open bite of left front wall of thorax without penetration into thoracic cavity | — |
| S21.152A | Open bite of left front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.152A | Open bite of left front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.152D | Open bite of left front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.152D | Open bite of left front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.152S | Open bite of left front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.152S | Open bite of left front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.159 | Open bite of unspecified front wall of thorax without penetration into thoracic cavity | — |
| S21.159 | Open bite of unspecified front wall of thorax without penetration into thoracic cavity | — |
| S21.159A | Open bite of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.159A | Open bite of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.159D | Open bite of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.159D | Open bite of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.159S | Open bite of unspecified front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.159S | Open bite of unspecified front wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.201 | Unspecified open wound of right back wall of thorax without penetration into thoracic cavity | — |
| S21.201 | Unspecified open wound of right back wall of thorax without penetration into thoracic cavity | — |
| S21.201A | Unspecified open wound of right back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.201A | Unspecified open wound of right back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.201D | Unspecified open wound of right back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.201D | Unspecified open wound of right back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.201S | Unspecified open wound of right back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.201S | Unspecified open wound of right back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.202 | Unspecified open wound of left back wall of thorax without penetration into thoracic cavity | — |
| S21.202 | Unspecified open wound of left back wall of thorax without penetration into thoracic cavity | — |
| S21.202A | Unspecified open wound of left back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.202A | Unspecified open wound of left back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.202D | Unspecified open wound of left back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.202D | Unspecified open wound of left back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.202S | Unspecified open wound of left back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.202S | Unspecified open wound of left back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.209 | Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity | — |
| S21.209 | Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity | — |
| S21.209A | Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.209A | Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.209D | Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.209D | Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.209S | Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.209S | Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.211 | Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity | — |
| S21.211 | Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity | — |
| S21.211A | Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.211A | Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.211D | Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.211D | Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.211S | Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.211S | Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.212 | Laceration without foreign body of left back wall of thorax without penetration into thoracic cavity | — |
| S21.212 | Laceration without foreign body of left back wall of thorax without penetration into thoracic cavity | — |
| S21.212A | Laceration without foreign body of left back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.212A | Laceration without foreign body of left back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.212D | Laceration without foreign body of left back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.212D | Laceration without foreign body of left back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.212S | Laceration without foreign body of left back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.212S | Laceration without foreign body of left back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.219 | Laceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity | — |
| S21.219 | Laceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity | — |
| S21.219A | Laceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.219A | Laceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.219D | Laceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.219D | Laceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.219S | Laceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.219S | Laceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.221 | Laceration with foreign body of right back wall of thorax without penetration into thoracic cavity | — |
| S21.221 | Laceration with foreign body of right back wall of thorax without penetration into thoracic cavity | — |
| S21.221A | Laceration with foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.221A | Laceration with foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.221D | Laceration with foreign body of right back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.221D | Laceration with foreign body of right back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.221S | Laceration with foreign body of right back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.221S | Laceration with foreign body of right back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.222 | Laceration with foreign body of left back wall of thorax without penetration into thoracic cavity | — |
| S21.222 | Laceration with foreign body of left back wall of thorax without penetration into thoracic cavity | — |
| S21.222A | Laceration with foreign body of left back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.222A | Laceration with foreign body of left back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.222D | Laceration with foreign body of left back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.222D | Laceration with foreign body of left back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.222S | Laceration with foreign body of left back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.222S | Laceration with foreign body of left back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.229 | Laceration with foreign body of unspecified back wall of thorax without penetration into thoracic cavity | — |
| S21.229 | Laceration with foreign body of unspecified back wall of thorax without penetration into thoracic cavity | — |
| S21.229A | Laceration with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.229A | Laceration with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.229D | Laceration with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.229D | Laceration with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.229S | Laceration with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.229S | Laceration with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.231 | Puncture wound without foreign body of right back wall of thorax without penetration into thoracic cavity | — |
| S21.231 | Puncture wound without foreign body of right back wall of thorax without penetration into thoracic cavity | — |
| S21.231A | Puncture wound without foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.231A | Puncture wound without foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.231D | Puncture wound without foreign body of right back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.231D | Puncture wound without foreign body of right back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.231S | Puncture wound without foreign body of right back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.231S | Puncture wound without foreign body of right back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.232 | Puncture wound without foreign body of left back wall of thorax without penetration into thoracic cavity | — |
| S21.232 | Puncture wound without foreign body of left back wall of thorax without penetration into thoracic cavity | — |
| S21.232A | Puncture wound without foreign body of left back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.232A | Puncture wound without foreign body of left back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.232D | Puncture wound without foreign body of left back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.232D | Puncture wound without foreign body of left back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.232S | Puncture wound without foreign body of left back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.232S | Puncture wound without foreign body of left back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.239 | Puncture wound without foreign body of unspecified back wall of thorax without penetration into thoracic cavity | — |
| S21.239 | Puncture wound without foreign body of unspecified back wall of thorax without penetration into thoracic cavity | — |
| S21.239A | Puncture wound without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.239A | Puncture wound without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.239D | Puncture wound without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.239D | Puncture wound without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.239S | Puncture wound without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.239S | Puncture wound without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.241 | Puncture wound with foreign body of right back wall of thorax without penetration into thoracic cavity | — |
| S21.241 | Puncture wound with foreign body of right back wall of thorax without penetration into thoracic cavity | — |
| S21.241A | Puncture wound with foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.241A | Puncture wound with foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.241D | Puncture wound with foreign body of right back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.241D | Puncture wound with foreign body of right back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.241S | Puncture wound with foreign body of right back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.241S | Puncture wound with foreign body of right back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.242 | Puncture wound with foreign body of left back wall of thorax without penetration into thoracic cavity | — |
| S21.242 | Puncture wound with foreign body of left back wall of thorax without penetration into thoracic cavity | — |
| S21.242A | Puncture wound with foreign body of left back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.242A | Puncture wound with foreign body of left back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.242D | Puncture wound with foreign body of left back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.242D | Puncture wound with foreign body of left back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.242S | Puncture wound with foreign body of left back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.242S | Puncture wound with foreign body of left back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.249 | Puncture wound with foreign body of unspecified back wall of thorax without penetration into thoracic cavity | — |
| S21.249 | Puncture wound with foreign body of unspecified back wall of thorax without penetration into thoracic cavity | — |
| S21.249A | Puncture wound with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.249A | Puncture wound with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.249D | Puncture wound with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.249D | Puncture wound with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.249S | Puncture wound with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.249S | Puncture wound with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.251 | Open bite of right back wall of thorax without penetration into thoracic cavity | — |
| S21.251 | Open bite of right back wall of thorax without penetration into thoracic cavity | — |
| S21.251A | Open bite of right back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.251A | Open bite of right back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.251D | Open bite of right back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.251D | Open bite of right back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.251S | Open bite of right back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.251S | Open bite of right back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.252 | Open bite of left back wall of thorax without penetration into thoracic cavity | — |
| S21.252 | Open bite of left back wall of thorax without penetration into thoracic cavity | — |
| S21.252A | Open bite of left back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.252A | Open bite of left back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.252D | Open bite of left back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.252D | Open bite of left back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.252S | Open bite of left back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.252S | Open bite of left back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.259 | Open bite of unspecified back wall of thorax without penetration into thoracic cavity | — |
| S21.259 | Open bite of unspecified back wall of thorax without penetration into thoracic cavity | — |
| S21.259A | Open bite of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.259A | Open bite of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter | ✓ |
| S21.259D | Open bite of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.259D | Open bite of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.259S | Open bite of unspecified back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.259S | Open bite of unspecified back wall of thorax without penetration into thoracic cavity, sequela | ✓ |
| S21.301 | Unspecified open wound of right front wall of thorax with penetration into thoracic cavity | — |
| S21.301 | Unspecified open wound of right front wall of thorax with penetration into thoracic cavity | — |
| S21.301A | Unspecified open wound of right front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.301A | Unspecified open wound of right front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.301D | Unspecified open wound of right front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.301D | Unspecified open wound of right front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.301S | Unspecified open wound of right front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.301S | Unspecified open wound of right front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.302 | Unspecified open wound of left front wall of thorax with penetration into thoracic cavity | — |
| S21.302 | Unspecified open wound of left front wall of thorax with penetration into thoracic cavity | — |
| S21.302A | Unspecified open wound of left front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.302A | Unspecified open wound of left front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.302D | Unspecified open wound of left front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.302D | Unspecified open wound of left front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.302S | Unspecified open wound of left front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.302S | Unspecified open wound of left front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.309 | Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity | — |
| S21.309 | Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity | — |
| S21.309A | Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.309A | Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.309D | Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.309D | Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.309S | Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.309S | Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.311 | Laceration without foreign body of right front wall of thorax with penetration into thoracic cavity | — |
| S21.311 | Laceration without foreign body of right front wall of thorax with penetration into thoracic cavity | — |
| S21.311A | Laceration without foreign body of right front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.311A | Laceration without foreign body of right front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.311D | Laceration without foreign body of right front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.311D | Laceration without foreign body of right front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.311S | Laceration without foreign body of right front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.311S | Laceration without foreign body of right front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.312 | Laceration without foreign body of left front wall of thorax with penetration into thoracic cavity | — |
| S21.312 | Laceration without foreign body of left front wall of thorax with penetration into thoracic cavity | — |
| S21.312A | Laceration without foreign body of left front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.312A | Laceration without foreign body of left front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.312D | Laceration without foreign body of left front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.312D | Laceration without foreign body of left front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.312S | Laceration without foreign body of left front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.312S | Laceration without foreign body of left front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.319 | Laceration without foreign body of unspecified front wall of thorax with penetration into thoracic cavity | — |
| S21.319 | Laceration without foreign body of unspecified front wall of thorax with penetration into thoracic cavity | — |
| S21.319A | Laceration without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.319A | Laceration without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.319D | Laceration without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.319D | Laceration without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.319S | Laceration without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.319S | Laceration without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.321 | Laceration with foreign body of right front wall of thorax with penetration into thoracic cavity | — |
| S21.321 | Laceration with foreign body of right front wall of thorax with penetration into thoracic cavity | — |
| S21.321A | Laceration with foreign body of right front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.321A | Laceration with foreign body of right front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.321D | Laceration with foreign body of right front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.321D | Laceration with foreign body of right front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.321S | Laceration with foreign body of right front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.321S | Laceration with foreign body of right front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.322 | Laceration with foreign body of left front wall of thorax with penetration into thoracic cavity | — |
| S21.322 | Laceration with foreign body of left front wall of thorax with penetration into thoracic cavity | — |
| S21.322A | Laceration with foreign body of left front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.322A | Laceration with foreign body of left front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.322D | Laceration with foreign body of left front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.322D | Laceration with foreign body of left front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.322S | Laceration with foreign body of left front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.322S | Laceration with foreign body of left front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.329 | Laceration with foreign body of unspecified front wall of thorax with penetration into thoracic cavity | — |
| S21.329 | Laceration with foreign body of unspecified front wall of thorax with penetration into thoracic cavity | — |
| S21.329A | Laceration with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.329A | Laceration with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.329D | Laceration with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.329D | Laceration with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.329S | Laceration with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.329S | Laceration with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.331 | Puncture wound without foreign body of right front wall of thorax with penetration into thoracic cavity | — |
| S21.331 | Puncture wound without foreign body of right front wall of thorax with penetration into thoracic cavity | — |
| S21.331A | Puncture wound without foreign body of right front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.331A | Puncture wound without foreign body of right front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.331D | Puncture wound without foreign body of right front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.331D | Puncture wound without foreign body of right front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.331S | Puncture wound without foreign body of right front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.331S | Puncture wound without foreign body of right front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.332 | Puncture wound without foreign body of left front wall of thorax with penetration into thoracic cavity | — |
| S21.332 | Puncture wound without foreign body of left front wall of thorax with penetration into thoracic cavity | — |
| S21.332A | Puncture wound without foreign body of left front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.332A | Puncture wound without foreign body of left front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.332D | Puncture wound without foreign body of left front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.332D | Puncture wound without foreign body of left front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.332S | Puncture wound without foreign body of left front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.332S | Puncture wound without foreign body of left front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.339 | Puncture wound without foreign body of unspecified front wall of thorax with penetration into thoracic cavity | — |
| S21.339 | Puncture wound without foreign body of unspecified front wall of thorax with penetration into thoracic cavity | — |
| S21.339A | Puncture wound without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.339A | Puncture wound without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.339D | Puncture wound without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.339D | Puncture wound without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.339S | Puncture wound without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.339S | Puncture wound without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.341 | Puncture wound with foreign body of right front wall of thorax with penetration into thoracic cavity | — |
| S21.341 | Puncture wound with foreign body of right front wall of thorax with penetration into thoracic cavity | — |
| S21.341A | Puncture wound with foreign body of right front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.341A | Puncture wound with foreign body of right front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.341D | Puncture wound with foreign body of right front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.341D | Puncture wound with foreign body of right front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.341S | Puncture wound with foreign body of right front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.341S | Puncture wound with foreign body of right front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.342 | Puncture wound with foreign body of left front wall of thorax with penetration into thoracic cavity | — |
| S21.342 | Puncture wound with foreign body of left front wall of thorax with penetration into thoracic cavity | — |
| S21.342A | Puncture wound with foreign body of left front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.342A | Puncture wound with foreign body of left front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.342D | Puncture wound with foreign body of left front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.342D | Puncture wound with foreign body of left front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.342S | Puncture wound with foreign body of left front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.342S | Puncture wound with foreign body of left front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.349 | Puncture wound with foreign body of unspecified front wall of thorax with penetration into thoracic cavity | — |
| S21.349 | Puncture wound with foreign body of unspecified front wall of thorax with penetration into thoracic cavity | — |
| S21.349A | Puncture wound with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.349A | Puncture wound with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.349D | Puncture wound with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.349D | Puncture wound with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.349S | Puncture wound with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.349S | Puncture wound with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.351 | Open bite of right front wall of thorax with penetration into thoracic cavity | — |
| S21.351 | Open bite of right front wall of thorax with penetration into thoracic cavity | — |
| S21.351A | Open bite of right front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.351A | Open bite of right front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.351D | Open bite of right front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.351D | Open bite of right front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.351S | Open bite of right front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.351S | Open bite of right front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.352 | Open bite of left front wall of thorax with penetration into thoracic cavity | — |
| S21.352 | Open bite of left front wall of thorax with penetration into thoracic cavity | — |
| S21.352A | Open bite of left front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.352A | Open bite of left front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.352D | Open bite of left front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.352D | Open bite of left front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.352S | Open bite of left front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.352S | Open bite of left front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.359 | Open bite of unspecified front wall of thorax with penetration into thoracic cavity | — |
| S21.359 | Open bite of unspecified front wall of thorax with penetration into thoracic cavity | — |
| S21.359A | Open bite of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.359A | Open bite of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.359D | Open bite of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.359D | Open bite of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.359S | Open bite of unspecified front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.359S | Open bite of unspecified front wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.401 | Unspecified open wound of right back wall of thorax with penetration into thoracic cavity | — |
| S21.401 | Unspecified open wound of right back wall of thorax with penetration into thoracic cavity | — |
| S21.401A | Unspecified open wound of right back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.401A | Unspecified open wound of right back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.401D | Unspecified open wound of right back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.401D | Unspecified open wound of right back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.401S | Unspecified open wound of right back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.401S | Unspecified open wound of right back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.402 | Unspecified open wound of left back wall of thorax with penetration into thoracic cavity | — |
| S21.402 | Unspecified open wound of left back wall of thorax with penetration into thoracic cavity | — |
| S21.402A | Unspecified open wound of left back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.402A | Unspecified open wound of left back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.402D | Unspecified open wound of left back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.402D | Unspecified open wound of left back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.402S | Unspecified open wound of left back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.402S | Unspecified open wound of left back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.409 | Unspecified open wound of unspecified back wall of thorax with penetration into thoracic cavity | — |
| S21.409 | Unspecified open wound of unspecified back wall of thorax with penetration into thoracic cavity | — |
| S21.409A | Unspecified open wound of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.409A | Unspecified open wound of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.409D | Unspecified open wound of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.409D | Unspecified open wound of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.409S | Unspecified open wound of unspecified back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.409S | Unspecified open wound of unspecified back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.411 | Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity | — |
| S21.411 | Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity | — |
| S21.411A | Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.411A | Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.411D | Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.411D | Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.411S | Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.411S | Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.412 | Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity | — |
| S21.412 | Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity | — |
| S21.412A | Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.412A | Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.412D | Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.412D | Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.412S | Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.412S | Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.419 | Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity | — |
| S21.419 | Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity | — |
| S21.419A | Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.419A | Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.419D | Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.419D | Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.419S | Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.419S | Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.421 | Laceration with foreign body of right back wall of thorax with penetration into thoracic cavity | — |
| S21.421 | Laceration with foreign body of right back wall of thorax with penetration into thoracic cavity | — |
| S21.421A | Laceration with foreign body of right back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.421A | Laceration with foreign body of right back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.421D | Laceration with foreign body of right back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.421D | Laceration with foreign body of right back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.421S | Laceration with foreign body of right back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.421S | Laceration with foreign body of right back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.422 | Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity | — |
| S21.422 | Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity | — |
| S21.422A | Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.422A | Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.422D | Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.422D | Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.422S | Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.422S | Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.429 | Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity | — |
| S21.429 | Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity | — |
| S21.429A | Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.429A | Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.429D | Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.429D | Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.429S | Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.429S | Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.431 | Puncture wound without foreign body of right back wall of thorax with penetration into thoracic cavity | — |
| S21.431 | Puncture wound without foreign body of right back wall of thorax with penetration into thoracic cavity | — |
| S21.431A | Puncture wound without foreign body of right back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.431A | Puncture wound without foreign body of right back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.431D | Puncture wound without foreign body of right back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.431D | Puncture wound without foreign body of right back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.431S | Puncture wound without foreign body of right back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.431S | Puncture wound without foreign body of right back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.432 | Puncture wound without foreign body of left back wall of thorax with penetration into thoracic cavity | — |
| S21.432 | Puncture wound without foreign body of left back wall of thorax with penetration into thoracic cavity | — |
| S21.432A | Puncture wound without foreign body of left back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.432A | Puncture wound without foreign body of left back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.432D | Puncture wound without foreign body of left back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.432D | Puncture wound without foreign body of left back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.432S | Puncture wound without foreign body of left back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.432S | Puncture wound without foreign body of left back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.439 | Puncture wound without foreign body of unspecified back wall of thorax with penetration into thoracic cavity | — |
| S21.439 | Puncture wound without foreign body of unspecified back wall of thorax with penetration into thoracic cavity | — |
| S21.439A | Puncture wound without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.439A | Puncture wound without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.439D | Puncture wound without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.439D | Puncture wound without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.439S | Puncture wound without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.439S | Puncture wound without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.441 | Puncture wound with foreign body of right back wall of thorax with penetration into thoracic cavity | — |
| S21.441 | Puncture wound with foreign body of right back wall of thorax with penetration into thoracic cavity | — |
| S21.441A | Puncture wound with foreign body of right back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.441A | Puncture wound with foreign body of right back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.441D | Puncture wound with foreign body of right back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.441D | Puncture wound with foreign body of right back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.441S | Puncture wound with foreign body of right back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.441S | Puncture wound with foreign body of right back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.442 | Puncture wound with foreign body of left back wall of thorax with penetration into thoracic cavity | — |
| S21.442 | Puncture wound with foreign body of left back wall of thorax with penetration into thoracic cavity | — |
| S21.442A | Puncture wound with foreign body of left back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.442A | Puncture wound with foreign body of left back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.442D | Puncture wound with foreign body of left back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.442D | Puncture wound with foreign body of left back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.442S | Puncture wound with foreign body of left back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.442S | Puncture wound with foreign body of left back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.449 | Puncture wound with foreign body of unspecified back wall of thorax with penetration into thoracic cavity | — |
| S21.449 | Puncture wound with foreign body of unspecified back wall of thorax with penetration into thoracic cavity | — |
| S21.449A | Puncture wound with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.449A | Puncture wound with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.449D | Puncture wound with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.449D | Puncture wound with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.449S | Puncture wound with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.449S | Puncture wound with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.451 | Open bite of right back wall of thorax with penetration into thoracic cavity | — |
| S21.451 | Open bite of right back wall of thorax with penetration into thoracic cavity | — |
| S21.451A | Open bite of right back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.451A | Open bite of right back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.451D | Open bite of right back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.451D | Open bite of right back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.451S | Open bite of right back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.451S | Open bite of right back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.452 | Open bite of left back wall of thorax with penetration into thoracic cavity | — |
| S21.452 | Open bite of left back wall of thorax with penetration into thoracic cavity | — |
| S21.452A | Open bite of left back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.452A | Open bite of left back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.452D | Open bite of left back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.452D | Open bite of left back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.452S | Open bite of left back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.452S | Open bite of left back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.459 | Open bite of unspecified back wall of thorax with penetration into thoracic cavity | — |
| S21.459 | Open bite of unspecified back wall of thorax with penetration into thoracic cavity | — |
| S21.459A | Open bite of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.459A | Open bite of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter | ✓ |
| S21.459D | Open bite of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.459D | Open bite of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter | ✓ |
| S21.459S | Open bite of unspecified back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
| S21.459S | Open bite of unspecified back wall of thorax with penetration into thoracic cavity, sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code S21?
S21 is an ICD-10-CM category covering Open wound of thorax. It contains 840 more specific diagnosis codes, 576 of which are billable.
Is S21 a billable code?
No — S21 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example S21.0 — Open wound of breast). 576 of the 840 codes under S21 are billable.
What codes fall under S21?
S21 includes S21.0, S21.0, S21.00, S21.00, S21.001, plus 835 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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