ICD-10-CM category
T21: Burn and corrosion of trunk
Codes under T21 (Burn and corrosion of trunk). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| T21.0 | Burn of unspecified degree of trunk | — |
| T21.0 | Burn of unspecified degree of trunk | — |
| T21.00 | Burn of unspecified degree of trunk, unspecified site | — |
| T21.00 | Burn of unspecified degree of trunk, unspecified site | — |
| T21.00XA | Burn of unspecified degree of trunk, unspecified site, initial encounter | ✓ |
| T21.00XA | Burn of unspecified degree of trunk, unspecified site, initial encounter | ✓ |
| T21.00XD | Burn of unspecified degree of trunk, unspecified site, subsequent encounter | ✓ |
| T21.00XD | Burn of unspecified degree of trunk, unspecified site, subsequent encounter | ✓ |
| T21.00XS | Burn of unspecified degree of trunk, unspecified site, sequela | ✓ |
| T21.00XS | Burn of unspecified degree of trunk, unspecified site, sequela | ✓ |
| T21.01 | Burn of unspecified degree of chest wall | — |
| T21.01 | Burn of unspecified degree of chest wall | — |
| T21.1 | Burn of first degree of trunk | — |
| T21.1 | Burn of first degree of trunk | — |
| T21.01XA | Burn of unspecified degree of chest wall, initial encounter | ✓ |
| T21.01XA | Burn of unspecified degree of chest wall, initial encounter | ✓ |
| T21.01XD | Burn of unspecified degree of chest wall, subsequent encounter | ✓ |
| T21.01XD | Burn of unspecified degree of chest wall, subsequent encounter | ✓ |
| T21.01XS | Burn of unspecified degree of chest wall, sequela | ✓ |
| T21.01XS | Burn of unspecified degree of chest wall, sequela | ✓ |
| T21.02 | Burn of unspecified degree of abdominal wall | — |
| T21.02 | Burn of unspecified degree of abdominal wall | — |
| T21.2 | Burn of second degree of trunk | — |
| T21.2 | Burn of second degree of trunk | — |
| T21.02XA | Burn of unspecified degree of abdominal wall, initial encounter | ✓ |
| T21.02XA | Burn of unspecified degree of abdominal wall, initial encounter | ✓ |
| T21.02XD | Burn of unspecified degree of abdominal wall, subsequent encounter | ✓ |
| T21.02XD | Burn of unspecified degree of abdominal wall, subsequent encounter | ✓ |
| T21.02XS | Burn of unspecified degree of abdominal wall, sequela | ✓ |
| T21.02XS | Burn of unspecified degree of abdominal wall, sequela | ✓ |
| T21.03 | Burn of unspecified degree of upper back | — |
| T21.03 | Burn of unspecified degree of upper back | — |
| T21.3 | Burn of third degree of trunk | — |
| T21.3 | Burn of third degree of trunk | — |
| T21.03XA | Burn of unspecified degree of upper back, initial encounter | ✓ |
| T21.03XA | Burn of unspecified degree of upper back, initial encounter | ✓ |
| T21.03XD | Burn of unspecified degree of upper back, subsequent encounter | ✓ |
| T21.03XD | Burn of unspecified degree of upper back, subsequent encounter | ✓ |
| T21.03XS | Burn of unspecified degree of upper back, sequela | ✓ |
| T21.03XS | Burn of unspecified degree of upper back, sequela | ✓ |
| T21.04 | Burn of unspecified degree of lower back | — |
| T21.04 | Burn of unspecified degree of lower back | — |
| T21.4 | Corrosion of unspecified degree of trunk | — |
| T21.4 | Corrosion of unspecified degree of trunk | — |
| T21.04XA | Burn of unspecified degree of lower back, initial encounter | ✓ |
| T21.04XA | Burn of unspecified degree of lower back, initial encounter | ✓ |
| T21.04XD | Burn of unspecified degree of lower back, subsequent encounter | ✓ |
| T21.04XD | Burn of unspecified degree of lower back, subsequent encounter | ✓ |
| T21.04XS | Burn of unspecified degree of lower back, sequela | ✓ |
| T21.04XS | Burn of unspecified degree of lower back, sequela | ✓ |
| T21.05 | Burn of unspecified degree of buttock | — |
| T21.05 | Burn of unspecified degree of buttock | — |
| T21.5 | Corrosion of first degree of trunk | — |
| T21.5 | Corrosion of first degree of trunk | — |
| T21.05XA | Burn of unspecified degree of buttock, initial encounter | ✓ |
| T21.05XA | Burn of unspecified degree of buttock, initial encounter | ✓ |
| T21.05XD | Burn of unspecified degree of buttock, subsequent encounter | ✓ |
| T21.05XD | Burn of unspecified degree of buttock, subsequent encounter | ✓ |
| T21.05XS | Burn of unspecified degree of buttock, sequela | ✓ |
| T21.05XS | Burn of unspecified degree of buttock, sequela | ✓ |
| T21.06 | Burn of unspecified degree of male genital region | — |
| T21.06 | Burn of unspecified degree of male genital region | — |
| T21.6 | Corrosion of second degree of trunk | — |
| T21.6 | Corrosion of second degree of trunk | — |
| T21.06XA | Burn of unspecified degree of male genital region, initial encounter | ✓ |
| T21.06XA | Burn of unspecified degree of male genital region, initial encounter | ✓ |
| T21.06XD | Burn of unspecified degree of male genital region, subsequent encounter | ✓ |
| T21.06XD | Burn of unspecified degree of male genital region, subsequent encounter | ✓ |
| T21.06XS | Burn of unspecified degree of male genital region, sequela | ✓ |
| T21.06XS | Burn of unspecified degree of male genital region, sequela | ✓ |
| T21.07 | Burn of unspecified degree of female genital region | — |
| T21.07 | Burn of unspecified degree of female genital region | — |
| T21.7 | Corrosion of third degree of trunk | — |
| T21.7 | Corrosion of third degree of trunk | — |
| T21.07XA | Burn of unspecified degree of female genital region, initial encounter | ✓ |
| T21.07XA | Burn of unspecified degree of female genital region, initial encounter | ✓ |
| T21.07XD | Burn of unspecified degree of female genital region, subsequent encounter | ✓ |
| T21.07XD | Burn of unspecified degree of female genital region, subsequent encounter | ✓ |
| T21.07XS | Burn of unspecified degree of female genital region, sequela | ✓ |
| T21.07XS | Burn of unspecified degree of female genital region, sequela | ✓ |
| T21.09 | Burn of unspecified degree of other site of trunk | — |
| T21.09 | Burn of unspecified degree of other site of trunk | — |
| T21.09XA | Burn of unspecified degree of other site of trunk, initial encounter | ✓ |
| T21.09XA | Burn of unspecified degree of other site of trunk, initial encounter | ✓ |
| T21.09XD | Burn of unspecified degree of other site of trunk, subsequent encounter | ✓ |
| T21.09XD | Burn of unspecified degree of other site of trunk, subsequent encounter | ✓ |
| T21.09XS | Burn of unspecified degree of other site of trunk, sequela | ✓ |
| T21.09XS | Burn of unspecified degree of other site of trunk, sequela | ✓ |
| T21.10 | Burn of first degree of trunk, unspecified site | — |
| T21.10 | Burn of first degree of trunk, unspecified site | — |
| T21.10XA | Burn of first degree of trunk, unspecified site, initial encounter | ✓ |
| T21.10XA | Burn of first degree of trunk, unspecified site, initial encounter | ✓ |
| T21.10XD | Burn of first degree of trunk, unspecified site, subsequent encounter | ✓ |
| T21.10XD | Burn of first degree of trunk, unspecified site, subsequent encounter | ✓ |
| T21.10XS | Burn of first degree of trunk, unspecified site, sequela | ✓ |
| T21.10XS | Burn of first degree of trunk, unspecified site, sequela | ✓ |
| T21.11 | Burn of first degree of chest wall | — |
| T21.11 | Burn of first degree of chest wall | — |
| T21.11XA | Burn of first degree of chest wall, initial encounter | ✓ |
| T21.11XA | Burn of first degree of chest wall, initial encounter | ✓ |
| T21.11XD | Burn of first degree of chest wall, subsequent encounter | ✓ |
| T21.11XD | Burn of first degree of chest wall, subsequent encounter | ✓ |
| T21.11XS | Burn of first degree of chest wall, sequela | ✓ |
| T21.11XS | Burn of first degree of chest wall, sequela | ✓ |
| T21.12 | Burn of first degree of abdominal wall | — |
| T21.12 | Burn of first degree of abdominal wall | — |
| T21.12XA | Burn of first degree of abdominal wall, initial encounter | ✓ |
| T21.12XA | Burn of first degree of abdominal wall, initial encounter | ✓ |
| T21.12XD | Burn of first degree of abdominal wall, subsequent encounter | ✓ |
| T21.12XD | Burn of first degree of abdominal wall, subsequent encounter | ✓ |
| T21.12XS | Burn of first degree of abdominal wall, sequela | ✓ |
| T21.12XS | Burn of first degree of abdominal wall, sequela | ✓ |
| T21.13 | Burn of first degree of upper back | — |
| T21.13 | Burn of first degree of upper back | — |
| T21.13XA | Burn of first degree of upper back, initial encounter | ✓ |
| T21.13XA | Burn of first degree of upper back, initial encounter | ✓ |
| T21.13XD | Burn of first degree of upper back, subsequent encounter | ✓ |
| T21.13XD | Burn of first degree of upper back, subsequent encounter | ✓ |
| T21.13XS | Burn of first degree of upper back, sequela | ✓ |
| T21.13XS | Burn of first degree of upper back, sequela | ✓ |
| T21.14 | Burn of first degree of lower back | — |
| T21.14 | Burn of first degree of lower back | — |
| T21.14XA | Burn of first degree of lower back, initial encounter | ✓ |
| T21.14XA | Burn of first degree of lower back, initial encounter | ✓ |
| T21.14XD | Burn of first degree of lower back, subsequent encounter | ✓ |
| T21.14XD | Burn of first degree of lower back, subsequent encounter | ✓ |
| T21.14XS | Burn of first degree of lower back, sequela | ✓ |
| T21.14XS | Burn of first degree of lower back, sequela | ✓ |
| T21.15 | Burn of first degree of buttock | — |
| T21.15 | Burn of first degree of buttock | — |
| T21.15XA | Burn of first degree of buttock, initial encounter | ✓ |
| T21.15XA | Burn of first degree of buttock, initial encounter | ✓ |
| T21.15XD | Burn of first degree of buttock, subsequent encounter | ✓ |
| T21.15XD | Burn of first degree of buttock, subsequent encounter | ✓ |
| T21.15XS | Burn of first degree of buttock, sequela | ✓ |
| T21.15XS | Burn of first degree of buttock, sequela | ✓ |
| T21.16 | Burn of first degree of male genital region | — |
| T21.16 | Burn of first degree of male genital region | — |
| T21.16XA | Burn of first degree of male genital region, initial encounter | ✓ |
| T21.16XA | Burn of first degree of male genital region, initial encounter | ✓ |
| T21.16XD | Burn of first degree of male genital region, subsequent encounter | ✓ |
| T21.16XD | Burn of first degree of male genital region, subsequent encounter | ✓ |
| T21.16XS | Burn of first degree of male genital region, sequela | ✓ |
| T21.16XS | Burn of first degree of male genital region, sequela | ✓ |
| T21.17 | Burn of first degree of female genital region | — |
| T21.17 | Burn of first degree of female genital region | — |
| T21.17XA | Burn of first degree of female genital region, initial encounter | ✓ |
| T21.17XA | Burn of first degree of female genital region, initial encounter | ✓ |
| T21.17XD | Burn of first degree of female genital region, subsequent encounter | ✓ |
| T21.17XD | Burn of first degree of female genital region, subsequent encounter | ✓ |
| T21.17XS | Burn of first degree of female genital region, sequela | ✓ |
| T21.17XS | Burn of first degree of female genital region, sequela | ✓ |
| T21.19 | Burn of first degree of other site of trunk | — |
| T21.19 | Burn of first degree of other site of trunk | — |
| T21.19XA | Burn of first degree of other site of trunk, initial encounter | ✓ |
| T21.19XA | Burn of first degree of other site of trunk, initial encounter | ✓ |
| T21.19XD | Burn of first degree of other site of trunk, subsequent encounter | ✓ |
| T21.19XD | Burn of first degree of other site of trunk, subsequent encounter | ✓ |
| T21.19XS | Burn of first degree of other site of trunk, sequela | ✓ |
| T21.19XS | Burn of first degree of other site of trunk, sequela | ✓ |
| T21.20 | Burn of second degree of trunk, unspecified site | — |
| T21.20 | Burn of second degree of trunk, unspecified site | — |
| T21.20XA | Burn of second degree of trunk, unspecified site, initial encounter | ✓ |
| T21.20XA | Burn of second degree of trunk, unspecified site, initial encounter | ✓ |
| T21.20XD | Burn of second degree of trunk, unspecified site, subsequent encounter | ✓ |
| T21.20XD | Burn of second degree of trunk, unspecified site, subsequent encounter | ✓ |
| T21.20XS | Burn of second degree of trunk, unspecified site, sequela | ✓ |
| T21.20XS | Burn of second degree of trunk, unspecified site, sequela | ✓ |
| T21.21 | Burn of second degree of chest wall | — |
| T21.21 | Burn of second degree of chest wall | — |
| T21.21XA | Burn of second degree of chest wall, initial encounter | ✓ |
| T21.21XA | Burn of second degree of chest wall, initial encounter | ✓ |
| T21.21XD | Burn of second degree of chest wall, subsequent encounter | ✓ |
| T21.21XD | Burn of second degree of chest wall, subsequent encounter | ✓ |
| T21.21XS | Burn of second degree of chest wall, sequela | ✓ |
| T21.21XS | Burn of second degree of chest wall, sequela | ✓ |
| T21.22 | Burn of second degree of abdominal wall | — |
| T21.22 | Burn of second degree of abdominal wall | — |
| T21.22XA | Burn of second degree of abdominal wall, initial encounter | ✓ |
| T21.22XA | Burn of second degree of abdominal wall, initial encounter | ✓ |
| T21.22XD | Burn of second degree of abdominal wall, subsequent encounter | ✓ |
| T21.22XD | Burn of second degree of abdominal wall, subsequent encounter | ✓ |
| T21.22XS | Burn of second degree of abdominal wall, sequela | ✓ |
| T21.22XS | Burn of second degree of abdominal wall, sequela | ✓ |
| T21.23 | Burn of second degree of upper back | — |
| T21.23 | Burn of second degree of upper back | — |
| T21.23XA | Burn of second degree of upper back, initial encounter | ✓ |
| T21.23XA | Burn of second degree of upper back, initial encounter | ✓ |
| T21.23XD | Burn of second degree of upper back, subsequent encounter | ✓ |
| T21.23XD | Burn of second degree of upper back, subsequent encounter | ✓ |
| T21.23XS | Burn of second degree of upper back, sequela | ✓ |
| T21.23XS | Burn of second degree of upper back, sequela | ✓ |
| T21.24 | Burn of second degree of lower back | — |
| T21.24 | Burn of second degree of lower back | — |
| T21.24XA | Burn of second degree of lower back, initial encounter | ✓ |
| T21.24XA | Burn of second degree of lower back, initial encounter | ✓ |
| T21.24XD | Burn of second degree of lower back, subsequent encounter | ✓ |
| T21.24XD | Burn of second degree of lower back, subsequent encounter | ✓ |
| T21.24XS | Burn of second degree of lower back, sequela | ✓ |
| T21.24XS | Burn of second degree of lower back, sequela | ✓ |
| T21.25 | Burn of second degree of buttock | — |
| T21.25 | Burn of second degree of buttock | — |
| T21.25XA | Burn of second degree of buttock, initial encounter | ✓ |
| T21.25XA | Burn of second degree of buttock, initial encounter | ✓ |
| T21.25XD | Burn of second degree of buttock, subsequent encounter | ✓ |
| T21.25XD | Burn of second degree of buttock, subsequent encounter | ✓ |
| T21.25XS | Burn of second degree of buttock, sequela | ✓ |
| T21.25XS | Burn of second degree of buttock, sequela | ✓ |
| T21.26 | Burn of second degree of male genital region | — |
| T21.26 | Burn of second degree of male genital region | — |
| T21.26XA | Burn of second degree of male genital region, initial encounter | ✓ |
| T21.26XA | Burn of second degree of male genital region, initial encounter | ✓ |
| T21.26XD | Burn of second degree of male genital region, subsequent encounter | ✓ |
| T21.26XD | Burn of second degree of male genital region, subsequent encounter | ✓ |
| T21.26XS | Burn of second degree of male genital region, sequela | ✓ |
| T21.26XS | Burn of second degree of male genital region, sequela | ✓ |
| T21.27 | Burn of second degree of female genital region | — |
| T21.27 | Burn of second degree of female genital region | — |
| T21.27XA | Burn of second degree of female genital region, initial encounter | ✓ |
| T21.27XA | Burn of second degree of female genital region, initial encounter | ✓ |
| T21.27XD | Burn of second degree of female genital region, subsequent encounter | ✓ |
| T21.27XD | Burn of second degree of female genital region, subsequent encounter | ✓ |
| T21.27XS | Burn of second degree of female genital region, sequela | ✓ |
| T21.27XS | Burn of second degree of female genital region, sequela | ✓ |
| T21.29 | Burn of second degree of other site of trunk | — |
| T21.29 | Burn of second degree of other site of trunk | — |
| T21.29XA | Burn of second degree of other site of trunk, initial encounter | ✓ |
| T21.29XA | Burn of second degree of other site of trunk, initial encounter | ✓ |
| T21.29XD | Burn of second degree of other site of trunk, subsequent encounter | ✓ |
| T21.29XD | Burn of second degree of other site of trunk, subsequent encounter | ✓ |
| T21.29XS | Burn of second degree of other site of trunk, sequela | ✓ |
| T21.29XS | Burn of second degree of other site of trunk, sequela | ✓ |
| T21.30 | Burn of third degree of trunk, unspecified site | — |
| T21.30 | Burn of third degree of trunk, unspecified site | — |
| T21.30XA | Burn of third degree of trunk, unspecified site, initial encounter | ✓ |
| T21.30XA | Burn of third degree of trunk, unspecified site, initial encounter | ✓ |
| T21.30XD | Burn of third degree of trunk, unspecified site, subsequent encounter | ✓ |
| T21.30XD | Burn of third degree of trunk, unspecified site, subsequent encounter | ✓ |
| T21.30XS | Burn of third degree of trunk, unspecified site, sequela | ✓ |
| T21.30XS | Burn of third degree of trunk, unspecified site, sequela | ✓ |
| T21.31 | Burn of third degree of chest wall | — |
| T21.31 | Burn of third degree of chest wall | — |
| T21.31XA | Burn of third degree of chest wall, initial encounter | ✓ |
| T21.31XA | Burn of third degree of chest wall, initial encounter | ✓ |
| T21.31XD | Burn of third degree of chest wall, subsequent encounter | ✓ |
| T21.31XD | Burn of third degree of chest wall, subsequent encounter | ✓ |
| T21.31XS | Burn of third degree of chest wall, sequela | ✓ |
| T21.31XS | Burn of third degree of chest wall, sequela | ✓ |
| T21.32 | Burn of third degree of abdominal wall | — |
| T21.32 | Burn of third degree of abdominal wall | — |
| T21.32XA | Burn of third degree of abdominal wall, initial encounter | ✓ |
| T21.32XA | Burn of third degree of abdominal wall, initial encounter | ✓ |
| T21.32XD | Burn of third degree of abdominal wall, subsequent encounter | ✓ |
| T21.32XD | Burn of third degree of abdominal wall, subsequent encounter | ✓ |
| T21.32XS | Burn of third degree of abdominal wall, sequela | ✓ |
| T21.32XS | Burn of third degree of abdominal wall, sequela | ✓ |
| T21.33 | Burn of third degree of upper back | — |
| T21.33 | Burn of third degree of upper back | — |
| T21.33XA | Burn of third degree of upper back, initial encounter | ✓ |
| T21.33XA | Burn of third degree of upper back, initial encounter | ✓ |
| T21.33XD | Burn of third degree of upper back, subsequent encounter | ✓ |
| T21.33XD | Burn of third degree of upper back, subsequent encounter | ✓ |
| T21.33XS | Burn of third degree of upper back, sequela | ✓ |
| T21.33XS | Burn of third degree of upper back, sequela | ✓ |
| T21.34 | Burn of third degree of lower back | — |
| T21.34 | Burn of third degree of lower back | — |
| T21.34XA | Burn of third degree of lower back, initial encounter | ✓ |
| T21.34XA | Burn of third degree of lower back, initial encounter | ✓ |
| T21.34XD | Burn of third degree of lower back, subsequent encounter | ✓ |
| T21.34XD | Burn of third degree of lower back, subsequent encounter | ✓ |
| T21.34XS | Burn of third degree of lower back, sequela | ✓ |
| T21.34XS | Burn of third degree of lower back, sequela | ✓ |
| T21.35 | Burn of third degree of buttock | — |
| T21.35 | Burn of third degree of buttock | — |
| T21.35XA | Burn of third degree of buttock, initial encounter | ✓ |
| T21.35XA | Burn of third degree of buttock, initial encounter | ✓ |
| T21.35XD | Burn of third degree of buttock, subsequent encounter | ✓ |
| T21.35XD | Burn of third degree of buttock, subsequent encounter | ✓ |
| T21.35XS | Burn of third degree of buttock, sequela | ✓ |
| T21.35XS | Burn of third degree of buttock, sequela | ✓ |
| T21.36 | Burn of third degree of male genital region | — |
| T21.36 | Burn of third degree of male genital region | — |
| T21.36XA | Burn of third degree of male genital region, initial encounter | ✓ |
| T21.36XA | Burn of third degree of male genital region, initial encounter | ✓ |
| T21.36XD | Burn of third degree of male genital region, subsequent encounter | ✓ |
| T21.36XD | Burn of third degree of male genital region, subsequent encounter | ✓ |
| T21.36XS | Burn of third degree of male genital region, sequela | ✓ |
| T21.36XS | Burn of third degree of male genital region, sequela | ✓ |
| T21.37 | Burn of third degree of female genital region | — |
| T21.37 | Burn of third degree of female genital region | — |
| T21.37XA | Burn of third degree of female genital region, initial encounter | ✓ |
| T21.37XA | Burn of third degree of female genital region, initial encounter | ✓ |
| T21.37XD | Burn of third degree of female genital region, subsequent encounter | ✓ |
| T21.37XD | Burn of third degree of female genital region, subsequent encounter | ✓ |
| T21.37XS | Burn of third degree of female genital region, sequela | ✓ |
| T21.37XS | Burn of third degree of female genital region, sequela | ✓ |
| T21.39 | Burn of third degree of other site of trunk | — |
| T21.39 | Burn of third degree of other site of trunk | — |
| T21.39XA | Burn of third degree of other site of trunk, initial encounter | ✓ |
| T21.39XA | Burn of third degree of other site of trunk, initial encounter | ✓ |
| T21.39XD | Burn of third degree of other site of trunk, subsequent encounter | ✓ |
| T21.39XD | Burn of third degree of other site of trunk, subsequent encounter | ✓ |
| T21.39XS | Burn of third degree of other site of trunk, sequela | ✓ |
| T21.39XS | Burn of third degree of other site of trunk, sequela | ✓ |
| T21.40 | Corrosion of unspecified degree of trunk, unspecified site | — |
| T21.40 | Corrosion of unspecified degree of trunk, unspecified site | — |
| T21.40XA | Corrosion of unspecified degree of trunk, unspecified site, initial encounter | ✓ |
| T21.40XA | Corrosion of unspecified degree of trunk, unspecified site, initial encounter | ✓ |
| T21.40XD | Corrosion of unspecified degree of trunk, unspecified site, subsequent encounter | ✓ |
| T21.40XD | Corrosion of unspecified degree of trunk, unspecified site, subsequent encounter | ✓ |
| T21.40XS | Corrosion of unspecified degree of trunk, unspecified site, sequela | ✓ |
| T21.40XS | Corrosion of unspecified degree of trunk, unspecified site, sequela | ✓ |
| T21.41 | Corrosion of unspecified degree of chest wall | — |
| T21.41 | Corrosion of unspecified degree of chest wall | — |
| T21.41XA | Corrosion of unspecified degree of chest wall, initial encounter | ✓ |
| T21.41XA | Corrosion of unspecified degree of chest wall, initial encounter | ✓ |
| T21.41XD | Corrosion of unspecified degree of chest wall, subsequent encounter | ✓ |
| T21.41XD | Corrosion of unspecified degree of chest wall, subsequent encounter | ✓ |
| T21.41XS | Corrosion of unspecified degree of chest wall, sequela | ✓ |
| T21.41XS | Corrosion of unspecified degree of chest wall, sequela | ✓ |
| T21.42 | Corrosion of unspecified degree of abdominal wall | — |
| T21.42 | Corrosion of unspecified degree of abdominal wall | — |
| T21.42XA | Corrosion of unspecified degree of abdominal wall, initial encounter | ✓ |
| T21.42XA | Corrosion of unspecified degree of abdominal wall, initial encounter | ✓ |
| T21.42XD | Corrosion of unspecified degree of abdominal wall, subsequent encounter | ✓ |
| T21.42XD | Corrosion of unspecified degree of abdominal wall, subsequent encounter | ✓ |
| T21.42XS | Corrosion of unspecified degree of abdominal wall, sequela | ✓ |
| T21.42XS | Corrosion of unspecified degree of abdominal wall, sequela | ✓ |
| T21.43 | Corrosion of unspecified degree of upper back | — |
| T21.43 | Corrosion of unspecified degree of upper back | — |
| T21.43XA | Corrosion of unspecified degree of upper back, initial encounter | ✓ |
| T21.43XA | Corrosion of unspecified degree of upper back, initial encounter | ✓ |
| T21.43XD | Corrosion of unspecified degree of upper back, subsequent encounter | ✓ |
| T21.43XD | Corrosion of unspecified degree of upper back, subsequent encounter | ✓ |
| T21.43XS | Corrosion of unspecified degree of upper back, sequela | ✓ |
| T21.43XS | Corrosion of unspecified degree of upper back, sequela | ✓ |
| T21.44 | Corrosion of unspecified degree of lower back | — |
| T21.44 | Corrosion of unspecified degree of lower back | — |
| T21.44XA | Corrosion of unspecified degree of lower back, initial encounter | ✓ |
| T21.44XA | Corrosion of unspecified degree of lower back, initial encounter | ✓ |
| T21.44XD | Corrosion of unspecified degree of lower back, subsequent encounter | ✓ |
| T21.44XD | Corrosion of unspecified degree of lower back, subsequent encounter | ✓ |
| T21.44XS | Corrosion of unspecified degree of lower back, sequela | ✓ |
| T21.44XS | Corrosion of unspecified degree of lower back, sequela | ✓ |
| T21.45 | Corrosion of unspecified degree of buttock | — |
| T21.45 | Corrosion of unspecified degree of buttock | — |
| T21.45XA | Corrosion of unspecified degree of buttock, initial encounter | ✓ |
| T21.45XA | Corrosion of unspecified degree of buttock, initial encounter | ✓ |
| T21.45XD | Corrosion of unspecified degree of buttock, subsequent encounter | ✓ |
| T21.45XD | Corrosion of unspecified degree of buttock, subsequent encounter | ✓ |
| T21.45XS | Corrosion of unspecified degree of buttock, sequela | ✓ |
| T21.45XS | Corrosion of unspecified degree of buttock, sequela | ✓ |
| T21.46 | Corrosion of unspecified degree of male genital region | — |
| T21.46 | Corrosion of unspecified degree of male genital region | — |
| T21.46XA | Corrosion of unspecified degree of male genital region, initial encounter | ✓ |
| T21.46XA | Corrosion of unspecified degree of male genital region, initial encounter | ✓ |
| T21.46XD | Corrosion of unspecified degree of male genital region, subsequent encounter | ✓ |
| T21.46XD | Corrosion of unspecified degree of male genital region, subsequent encounter | ✓ |
| T21.46XS | Corrosion of unspecified degree of male genital region, sequela | ✓ |
| T21.46XS | Corrosion of unspecified degree of male genital region, sequela | ✓ |
| T21.47 | Corrosion of unspecified degree of female genital region | — |
| T21.47 | Corrosion of unspecified degree of female genital region | — |
| T21.47XA | Corrosion of unspecified degree of female genital region, initial encounter | ✓ |
| T21.47XA | Corrosion of unspecified degree of female genital region, initial encounter | ✓ |
| T21.47XD | Corrosion of unspecified degree of female genital region, subsequent encounter | ✓ |
| T21.47XD | Corrosion of unspecified degree of female genital region, subsequent encounter | ✓ |
| T21.47XS | Corrosion of unspecified degree of female genital region, sequela | ✓ |
| T21.47XS | Corrosion of unspecified degree of female genital region, sequela | ✓ |
| T21.49 | Corrosion of unspecified degree of other site of trunk | — |
| T21.49 | Corrosion of unspecified degree of other site of trunk | — |
| T21.49XA | Corrosion of unspecified degree of other site of trunk, initial encounter | ✓ |
| T21.49XA | Corrosion of unspecified degree of other site of trunk, initial encounter | ✓ |
| T21.49XD | Corrosion of unspecified degree of other site of trunk, subsequent encounter | ✓ |
| T21.49XD | Corrosion of unspecified degree of other site of trunk, subsequent encounter | ✓ |
| T21.49XS | Corrosion of unspecified degree of other site of trunk, sequela | ✓ |
| T21.49XS | Corrosion of unspecified degree of other site of trunk, sequela | ✓ |
| T21.50 | Corrosion of first degree of trunk, unspecified site | — |
| T21.50 | Corrosion of first degree of trunk, unspecified site | — |
| T21.50XA | Corrosion of first degree of trunk, unspecified site, initial encounter | ✓ |
| T21.50XA | Corrosion of first degree of trunk, unspecified site, initial encounter | ✓ |
| T21.50XD | Corrosion of first degree of trunk, unspecified site, subsequent encounter | ✓ |
| T21.50XD | Corrosion of first degree of trunk, unspecified site, subsequent encounter | ✓ |
| T21.50XS | Corrosion of first degree of trunk, unspecified site, sequela | ✓ |
| T21.50XS | Corrosion of first degree of trunk, unspecified site, sequela | ✓ |
| T21.51 | Corrosion of first degree of chest wall | — |
| T21.51 | Corrosion of first degree of chest wall | — |
| T21.51XA | Corrosion of first degree of chest wall, initial encounter | ✓ |
| T21.51XA | Corrosion of first degree of chest wall, initial encounter | ✓ |
| T21.51XD | Corrosion of first degree of chest wall, subsequent encounter | ✓ |
| T21.51XD | Corrosion of first degree of chest wall, subsequent encounter | ✓ |
| T21.51XS | Corrosion of first degree of chest wall, sequela | ✓ |
| T21.51XS | Corrosion of first degree of chest wall, sequela | ✓ |
| T21.52 | Corrosion of first degree of abdominal wall | — |
| T21.52 | Corrosion of first degree of abdominal wall | — |
| T21.52XA | Corrosion of first degree of abdominal wall, initial encounter | ✓ |
| T21.52XA | Corrosion of first degree of abdominal wall, initial encounter | ✓ |
| T21.52XD | Corrosion of first degree of abdominal wall, subsequent encounter | ✓ |
| T21.52XD | Corrosion of first degree of abdominal wall, subsequent encounter | ✓ |
| T21.52XS | Corrosion of first degree of abdominal wall, sequela | ✓ |
| T21.52XS | Corrosion of first degree of abdominal wall, sequela | ✓ |
| T21.53 | Corrosion of first degree of upper back | — |
| T21.53 | Corrosion of first degree of upper back | — |
| T21.53XA | Corrosion of first degree of upper back, initial encounter | ✓ |
| T21.53XA | Corrosion of first degree of upper back, initial encounter | ✓ |
| T21.53XD | Corrosion of first degree of upper back, subsequent encounter | ✓ |
| T21.53XD | Corrosion of first degree of upper back, subsequent encounter | ✓ |
| T21.53XS | Corrosion of first degree of upper back, sequela | ✓ |
| T21.53XS | Corrosion of first degree of upper back, sequela | ✓ |
| T21.54 | Corrosion of first degree of lower back | — |
| T21.54 | Corrosion of first degree of lower back | — |
| T21.54XA | Corrosion of first degree of lower back, initial encounter | ✓ |
| T21.54XA | Corrosion of first degree of lower back, initial encounter | ✓ |
| T21.54XD | Corrosion of first degree of lower back, subsequent encounter | ✓ |
| T21.54XD | Corrosion of first degree of lower back, subsequent encounter | ✓ |
| T21.54XS | Corrosion of first degree of lower back, sequela | ✓ |
| T21.54XS | Corrosion of first degree of lower back, sequela | ✓ |
| T21.55 | Corrosion of first degree of buttock | — |
| T21.55 | Corrosion of first degree of buttock | — |
| T21.55XA | Corrosion of first degree of buttock, initial encounter | ✓ |
| T21.55XA | Corrosion of first degree of buttock, initial encounter | ✓ |
| T21.55XD | Corrosion of first degree of buttock, subsequent encounter | ✓ |
| T21.55XD | Corrosion of first degree of buttock, subsequent encounter | ✓ |
| T21.55XS | Corrosion of first degree of buttock, sequela | ✓ |
| T21.55XS | Corrosion of first degree of buttock, sequela | ✓ |
| T21.56 | Corrosion of first degree of male genital region | — |
| T21.56 | Corrosion of first degree of male genital region | — |
| T21.56XA | Corrosion of first degree of male genital region, initial encounter | ✓ |
| T21.56XA | Corrosion of first degree of male genital region, initial encounter | ✓ |
| T21.56XD | Corrosion of first degree of male genital region, subsequent encounter | ✓ |
| T21.56XD | Corrosion of first degree of male genital region, subsequent encounter | ✓ |
| T21.56XS | Corrosion of first degree of male genital region, sequela | ✓ |
| T21.56XS | Corrosion of first degree of male genital region, sequela | ✓ |
| T21.57 | Corrosion of first degree of female genital region | — |
| T21.57 | Corrosion of first degree of female genital region | — |
| T21.57XA | Corrosion of first degree of female genital region, initial encounter | ✓ |
| T21.57XA | Corrosion of first degree of female genital region, initial encounter | ✓ |
| T21.57XD | Corrosion of first degree of female genital region, subsequent encounter | ✓ |
| T21.57XD | Corrosion of first degree of female genital region, subsequent encounter | ✓ |
| T21.57XS | Corrosion of first degree of female genital region, sequela | ✓ |
| T21.57XS | Corrosion of first degree of female genital region, sequela | ✓ |
| T21.59 | Corrosion of first degree of other site of trunk | — |
| T21.59 | Corrosion of first degree of other site of trunk | — |
| T21.59XA | Corrosion of first degree of other site of trunk, initial encounter | ✓ |
| T21.59XA | Corrosion of first degree of other site of trunk, initial encounter | ✓ |
| T21.59XD | Corrosion of first degree of other site of trunk, subsequent encounter | ✓ |
| T21.59XD | Corrosion of first degree of other site of trunk, subsequent encounter | ✓ |
| T21.59XS | Corrosion of first degree of other site of trunk, sequela | ✓ |
| T21.59XS | Corrosion of first degree of other site of trunk, sequela | ✓ |
| T21.60 | Corrosion of second degree of trunk, unspecified site | — |
| T21.60 | Corrosion of second degree of trunk, unspecified site | — |
| T21.60XA | Corrosion of second degree of trunk, unspecified site, initial encounter | ✓ |
| T21.60XA | Corrosion of second degree of trunk, unspecified site, initial encounter | ✓ |
| T21.60XD | Corrosion of second degree of trunk, unspecified site, subsequent encounter | ✓ |
| T21.60XD | Corrosion of second degree of trunk, unspecified site, subsequent encounter | ✓ |
| T21.60XS | Corrosion of second degree of trunk, unspecified site, sequela | ✓ |
| T21.60XS | Corrosion of second degree of trunk, unspecified site, sequela | ✓ |
| T21.61 | Corrosion of second degree of chest wall | — |
| T21.61 | Corrosion of second degree of chest wall | — |
| T21.61XA | Corrosion of second degree of chest wall, initial encounter | ✓ |
| T21.61XA | Corrosion of second degree of chest wall, initial encounter | ✓ |
| T21.61XD | Corrosion of second degree of chest wall, subsequent encounter | ✓ |
| T21.61XD | Corrosion of second degree of chest wall, subsequent encounter | ✓ |
| T21.61XS | Corrosion of second degree of chest wall, sequela | ✓ |
| T21.61XS | Corrosion of second degree of chest wall, sequela | ✓ |
| T21.62 | Corrosion of second degree of abdominal wall | — |
| T21.62 | Corrosion of second degree of abdominal wall | — |
| T21.62XA | Corrosion of second degree of abdominal wall, initial encounter | ✓ |
| T21.62XA | Corrosion of second degree of abdominal wall, initial encounter | ✓ |
| T21.62XD | Corrosion of second degree of abdominal wall, subsequent encounter | ✓ |
| T21.62XD | Corrosion of second degree of abdominal wall, subsequent encounter | ✓ |
| T21.62XS | Corrosion of second degree of abdominal wall, sequela | ✓ |
| T21.62XS | Corrosion of second degree of abdominal wall, sequela | ✓ |
| T21.63 | Corrosion of second degree of upper back | — |
| T21.63 | Corrosion of second degree of upper back | — |
| T21.63XA | Corrosion of second degree of upper back, initial encounter | ✓ |
| T21.63XA | Corrosion of second degree of upper back, initial encounter | ✓ |
| T21.63XD | Corrosion of second degree of upper back, subsequent encounter | ✓ |
| T21.63XD | Corrosion of second degree of upper back, subsequent encounter | ✓ |
| T21.63XS | Corrosion of second degree of upper back, sequela | ✓ |
| T21.63XS | Corrosion of second degree of upper back, sequela | ✓ |
| T21.64 | Corrosion of second degree of lower back | — |
| T21.64 | Corrosion of second degree of lower back | — |
| T21.64XA | Corrosion of second degree of lower back, initial encounter | ✓ |
| T21.64XA | Corrosion of second degree of lower back, initial encounter | ✓ |
| T21.64XD | Corrosion of second degree of lower back, subsequent encounter | ✓ |
| T21.64XD | Corrosion of second degree of lower back, subsequent encounter | ✓ |
| T21.64XS | Corrosion of second degree of lower back, sequela | ✓ |
| T21.64XS | Corrosion of second degree of lower back, sequela | ✓ |
| T21.65 | Corrosion of second degree of buttock | — |
| T21.65 | Corrosion of second degree of buttock | — |
| T21.65XA | Corrosion of second degree of buttock, initial encounter | ✓ |
| T21.65XA | Corrosion of second degree of buttock, initial encounter | ✓ |
| T21.65XD | Corrosion of second degree of buttock, subsequent encounter | ✓ |
| T21.65XD | Corrosion of second degree of buttock, subsequent encounter | ✓ |
| T21.65XS | Corrosion of second degree of buttock, sequela | ✓ |
| T21.65XS | Corrosion of second degree of buttock, sequela | ✓ |
| T21.66 | Corrosion of second degree of male genital region | — |
| T21.66 | Corrosion of second degree of male genital region | — |
| T21.66XA | Corrosion of second degree of male genital region, initial encounter | ✓ |
| T21.66XA | Corrosion of second degree of male genital region, initial encounter | ✓ |
| T21.66XD | Corrosion of second degree of male genital region, subsequent encounter | ✓ |
| T21.66XD | Corrosion of second degree of male genital region, subsequent encounter | ✓ |
| T21.66XS | Corrosion of second degree of male genital region, sequela | ✓ |
| T21.66XS | Corrosion of second degree of male genital region, sequela | ✓ |
| T21.67 | Corrosion of second degree of female genital region | — |
| T21.67 | Corrosion of second degree of female genital region | — |
| T21.67XA | Corrosion of second degree of female genital region, initial encounter | ✓ |
| T21.67XA | Corrosion of second degree of female genital region, initial encounter | ✓ |
| T21.67XD | Corrosion of second degree of female genital region, subsequent encounter | ✓ |
| T21.67XD | Corrosion of second degree of female genital region, subsequent encounter | ✓ |
| T21.67XS | Corrosion of second degree of female genital region, sequela | ✓ |
| T21.67XS | Corrosion of second degree of female genital region, sequela | ✓ |
| T21.69 | Corrosion of second degree of other site of trunk | — |
| T21.69 | Corrosion of second degree of other site of trunk | — |
| T21.69XA | Corrosion of second degree of other site of trunk, initial encounter | ✓ |
| T21.69XA | Corrosion of second degree of other site of trunk, initial encounter | ✓ |
| T21.69XD | Corrosion of second degree of other site of trunk, subsequent encounter | ✓ |
| T21.69XD | Corrosion of second degree of other site of trunk, subsequent encounter | ✓ |
| T21.69XS | Corrosion of second degree of other site of trunk, sequela | ✓ |
| T21.69XS | Corrosion of second degree of other site of trunk, sequela | ✓ |
| T21.70 | Corrosion of third degree of trunk, unspecified site | — |
| T21.70 | Corrosion of third degree of trunk, unspecified site | — |
| T21.70XA | Corrosion of third degree of trunk, unspecified site, initial encounter | ✓ |
| T21.70XA | Corrosion of third degree of trunk, unspecified site, initial encounter | ✓ |
| T21.70XD | Corrosion of third degree of trunk, unspecified site, subsequent encounter | ✓ |
| T21.70XD | Corrosion of third degree of trunk, unspecified site, subsequent encounter | ✓ |
| T21.70XS | Corrosion of third degree of trunk, unspecified site, sequela | ✓ |
| T21.70XS | Corrosion of third degree of trunk, unspecified site, sequela | ✓ |
| T21.71 | Corrosion of third degree of chest wall | — |
| T21.71 | Corrosion of third degree of chest wall | — |
| T21.71XA | Corrosion of third degree of chest wall, initial encounter | ✓ |
| T21.71XA | Corrosion of third degree of chest wall, initial encounter | ✓ |
| T21.71XD | Corrosion of third degree of chest wall, subsequent encounter | ✓ |
| T21.71XD | Corrosion of third degree of chest wall, subsequent encounter | ✓ |
| T21.71XS | Corrosion of third degree of chest wall, sequela | ✓ |
| T21.71XS | Corrosion of third degree of chest wall, sequela | ✓ |
| T21.72 | Corrosion of third degree of abdominal wall | — |
| T21.72 | Corrosion of third degree of abdominal wall | — |
| T21.72XA | Corrosion of third degree of abdominal wall, initial encounter | ✓ |
| T21.72XA | Corrosion of third degree of abdominal wall, initial encounter | ✓ |
| T21.72XD | Corrosion of third degree of abdominal wall, subsequent encounter | ✓ |
| T21.72XD | Corrosion of third degree of abdominal wall, subsequent encounter | ✓ |
| T21.72XS | Corrosion of third degree of abdominal wall, sequela | ✓ |
| T21.72XS | Corrosion of third degree of abdominal wall, sequela | ✓ |
| T21.73 | Corrosion of third degree of upper back | — |
| T21.73 | Corrosion of third degree of upper back | — |
| T21.73XA | Corrosion of third degree of upper back, initial encounter | ✓ |
| T21.73XA | Corrosion of third degree of upper back, initial encounter | ✓ |
| T21.73XD | Corrosion of third degree of upper back, subsequent encounter | ✓ |
| T21.73XD | Corrosion of third degree of upper back, subsequent encounter | ✓ |
| T21.73XS | Corrosion of third degree of upper back, sequela | ✓ |
| T21.73XS | Corrosion of third degree of upper back, sequela | ✓ |
| T21.74 | Corrosion of third degree of lower back | — |
| T21.74 | Corrosion of third degree of lower back | — |
| T21.74XA | Corrosion of third degree of lower back, initial encounter | ✓ |
| T21.74XA | Corrosion of third degree of lower back, initial encounter | ✓ |
| T21.74XD | Corrosion of third degree of lower back, subsequent encounter | ✓ |
| T21.74XD | Corrosion of third degree of lower back, subsequent encounter | ✓ |
| T21.74XS | Corrosion of third degree of lower back, sequela | ✓ |
| T21.74XS | Corrosion of third degree of lower back, sequela | ✓ |
| T21.75 | Corrosion of third degree of buttock | — |
| T21.75 | Corrosion of third degree of buttock | — |
| T21.75XA | Corrosion of third degree of buttock, initial encounter | ✓ |
| T21.75XA | Corrosion of third degree of buttock, initial encounter | ✓ |
| T21.75XD | Corrosion of third degree of buttock, subsequent encounter | ✓ |
| T21.75XD | Corrosion of third degree of buttock, subsequent encounter | ✓ |
| T21.75XS | Corrosion of third degree of buttock, sequela | ✓ |
| T21.75XS | Corrosion of third degree of buttock, sequela | ✓ |
| T21.76 | Corrosion of third degree of male genital region | — |
| T21.76 | Corrosion of third degree of male genital region | — |
| T21.76XA | Corrosion of third degree of male genital region, initial encounter | ✓ |
| T21.76XA | Corrosion of third degree of male genital region, initial encounter | ✓ |
| T21.76XD | Corrosion of third degree of male genital region, subsequent encounter | ✓ |
| T21.76XD | Corrosion of third degree of male genital region, subsequent encounter | ✓ |
| T21.76XS | Corrosion of third degree of male genital region, sequela | ✓ |
| T21.76XS | Corrosion of third degree of male genital region, sequela | ✓ |
| T21.77 | Corrosion of third degree of female genital region | — |
| T21.77 | Corrosion of third degree of female genital region | — |
| T21.77XA | Corrosion of third degree of female genital region, initial encounter | ✓ |
| T21.77XA | Corrosion of third degree of female genital region, initial encounter | ✓ |
| T21.77XD | Corrosion of third degree of female genital region, subsequent encounter | ✓ |
| T21.77XD | Corrosion of third degree of female genital region, subsequent encounter | ✓ |
| T21.77XS | Corrosion of third degree of female genital region, sequela | ✓ |
| T21.77XS | Corrosion of third degree of female genital region, sequela | ✓ |
| T21.79 | Corrosion of third degree of other site of trunk | — |
| T21.79 | Corrosion of third degree of other site of trunk | — |
| T21.79XA | Corrosion of third degree of other site of trunk, initial encounter | ✓ |
| T21.79XA | Corrosion of third degree of other site of trunk, initial encounter | ✓ |
| T21.79XD | Corrosion of third degree of other site of trunk, subsequent encounter | ✓ |
| T21.79XD | Corrosion of third degree of other site of trunk, subsequent encounter | ✓ |
| T21.79XS | Corrosion of third degree of other site of trunk, sequela | ✓ |
| T21.79XS | Corrosion of third degree of other site of trunk, sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code T21?
T21 is an ICD-10-CM category covering Burn and corrosion of trunk. It contains 592 more specific diagnosis codes, 432 of which are billable.
Is T21 a billable code?
No — T21 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 T21.0 — Burn of unspecified degree of trunk). 432 of the 592 codes under T21 are billable.
What codes fall under T21?
T21 includes T21.0, T21.0, T21.00, T21.00, T21.00XA, plus 587 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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