ICD-10-CM category
T33: Superficial frostbite
Codes under T33 (Superficial frostbite). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| T33.0 | Superficial frostbite of head | — |
| T33.0 | Superficial frostbite of head | — |
| T33.01 | Superficial frostbite of ear | — |
| T33.01 | Superficial frostbite of ear | — |
| T33.1 | Superficial frostbite of neck | — |
| T33.1 | Superficial frostbite of neck | — |
| T33.1XXA | Superficial frostbite of neck, initial encounter | ✓ |
| T33.1XXA | Superficial frostbite of neck, initial encounter | ✓ |
| T33.1XXD | Superficial frostbite of neck, subsequent encounter | ✓ |
| T33.1XXD | Superficial frostbite of neck, subsequent encounter | ✓ |
| T33.1XXS | Superficial frostbite of neck, sequela | ✓ |
| T33.1XXS | Superficial frostbite of neck, sequela | ✓ |
| T33.02 | Superficial frostbite of nose | — |
| T33.02 | Superficial frostbite of nose | — |
| T33.2 | Superficial frostbite of thorax | — |
| T33.2 | Superficial frostbite of thorax | — |
| T33.02XA | Superficial frostbite of nose, initial encounter | ✓ |
| T33.02XA | Superficial frostbite of nose, initial encounter | ✓ |
| T33.02XD | Superficial frostbite of nose, subsequent encounter | ✓ |
| T33.02XD | Superficial frostbite of nose, subsequent encounter | ✓ |
| T33.02XS | Superficial frostbite of nose, sequela | ✓ |
| T33.02XS | Superficial frostbite of nose, sequela | ✓ |
| T33.2XXA | Superficial frostbite of thorax, initial encounter | ✓ |
| T33.2XXA | Superficial frostbite of thorax, initial encounter | ✓ |
| T33.2XXD | Superficial frostbite of thorax, subsequent encounter | ✓ |
| T33.2XXD | Superficial frostbite of thorax, subsequent encounter | ✓ |
| T33.2XXS | Superficial frostbite of thorax, sequela | ✓ |
| T33.2XXS | Superficial frostbite of thorax, sequela | ✓ |
| T33.3 | Superficial frostbite of abdominal wall, lower back and pelvis | — |
| T33.3 | Superficial frostbite of abdominal wall, lower back and pelvis | — |
| T33.3XXA | Superficial frostbite of abdominal wall, lower back and pelvis, initial encounter | ✓ |
| T33.3XXA | Superficial frostbite of abdominal wall, lower back and pelvis, initial encounter | ✓ |
| T33.3XXD | Superficial frostbite of abdominal wall, lower back and pelvis, subsequent encounter | ✓ |
| T33.3XXD | Superficial frostbite of abdominal wall, lower back and pelvis, subsequent encounter | ✓ |
| T33.3XXS | Superficial frostbite of abdominal wall, lower back and pelvis, sequela | ✓ |
| T33.3XXS | Superficial frostbite of abdominal wall, lower back and pelvis, sequela | ✓ |
| T33.4 | Superficial frostbite of arm | — |
| T33.4 | Superficial frostbite of arm | — |
| T33.5 | Superficial frostbite of wrist, hand, and fingers | — |
| T33.5 | Superficial frostbite of wrist, hand, and fingers | — |
| T33.6 | Superficial frostbite of hip and thigh | — |
| T33.6 | Superficial frostbite of hip and thigh | — |
| T33.7 | Superficial frostbite of knee and lower leg | — |
| T33.7 | Superficial frostbite of knee and lower leg | — |
| T33.8 | Superficial frostbite of ankle, foot, and toe(s) | — |
| T33.8 | Superficial frostbite of ankle, foot, and toe(s) | — |
| T33.09 | Superficial frostbite of other part of head | — |
| T33.09 | Superficial frostbite of other part of head | — |
| T33.9 | Superficial frostbite of other and unspecified sites | — |
| T33.9 | Superficial frostbite of other and unspecified sites | — |
| T33.09XA | Superficial frostbite of other part of head, initial encounter | ✓ |
| T33.09XA | Superficial frostbite of other part of head, initial encounter | ✓ |
| T33.09XD | Superficial frostbite of other part of head, subsequent encounter | ✓ |
| T33.09XD | Superficial frostbite of other part of head, subsequent encounter | ✓ |
| T33.09XS | Superficial frostbite of other part of head, sequela | ✓ |
| T33.09XS | Superficial frostbite of other part of head, sequela | ✓ |
| T33.011 | Superficial frostbite of right ear | — |
| T33.011 | Superficial frostbite of right ear | — |
| T33.011A | Superficial frostbite of right ear, initial encounter | ✓ |
| T33.011A | Superficial frostbite of right ear, initial encounter | ✓ |
| T33.011D | Superficial frostbite of right ear, subsequent encounter | ✓ |
| T33.011D | Superficial frostbite of right ear, subsequent encounter | ✓ |
| T33.011S | Superficial frostbite of right ear, sequela | ✓ |
| T33.011S | Superficial frostbite of right ear, sequela | ✓ |
| T33.012 | Superficial frostbite of left ear | — |
| T33.012 | Superficial frostbite of left ear | — |
| T33.012A | Superficial frostbite of left ear, initial encounter | ✓ |
| T33.012A | Superficial frostbite of left ear, initial encounter | ✓ |
| T33.012D | Superficial frostbite of left ear, subsequent encounter | ✓ |
| T33.012D | Superficial frostbite of left ear, subsequent encounter | ✓ |
| T33.012S | Superficial frostbite of left ear, sequela | ✓ |
| T33.012S | Superficial frostbite of left ear, sequela | ✓ |
| T33.019 | Superficial frostbite of unspecified ear | — |
| T33.019 | Superficial frostbite of unspecified ear | — |
| T33.019A | Superficial frostbite of unspecified ear, initial encounter | ✓ |
| T33.019A | Superficial frostbite of unspecified ear, initial encounter | ✓ |
| T33.019D | Superficial frostbite of unspecified ear, subsequent encounter | ✓ |
| T33.019D | Superficial frostbite of unspecified ear, subsequent encounter | ✓ |
| T33.019S | Superficial frostbite of unspecified ear, sequela | ✓ |
| T33.019S | Superficial frostbite of unspecified ear, sequela | ✓ |
| T33.40 | Superficial frostbite of unspecified arm | — |
| T33.40 | Superficial frostbite of unspecified arm | — |
| T33.40XA | Superficial frostbite of unspecified arm, initial encounter | ✓ |
| T33.40XA | Superficial frostbite of unspecified arm, initial encounter | ✓ |
| T33.40XD | Superficial frostbite of unspecified arm, subsequent encounter | ✓ |
| T33.40XD | Superficial frostbite of unspecified arm, subsequent encounter | ✓ |
| T33.40XS | Superficial frostbite of unspecified arm, sequela | ✓ |
| T33.40XS | Superficial frostbite of unspecified arm, sequela | ✓ |
| T33.41 | Superficial frostbite of right arm | — |
| T33.41 | Superficial frostbite of right arm | — |
| T33.41XA | Superficial frostbite of right arm, initial encounter | ✓ |
| T33.41XA | Superficial frostbite of right arm, initial encounter | ✓ |
| T33.41XD | Superficial frostbite of right arm, subsequent encounter | ✓ |
| T33.41XD | Superficial frostbite of right arm, subsequent encounter | ✓ |
| T33.41XS | Superficial frostbite of right arm, sequela | ✓ |
| T33.41XS | Superficial frostbite of right arm, sequela | ✓ |
| T33.42 | Superficial frostbite of left arm | — |
| T33.42 | Superficial frostbite of left arm | — |
| T33.42XA | Superficial frostbite of left arm, initial encounter | ✓ |
| T33.42XA | Superficial frostbite of left arm, initial encounter | ✓ |
| T33.42XD | Superficial frostbite of left arm, subsequent encounter | ✓ |
| T33.42XD | Superficial frostbite of left arm, subsequent encounter | ✓ |
| T33.42XS | Superficial frostbite of left arm, sequela | ✓ |
| T33.42XS | Superficial frostbite of left arm, sequela | ✓ |
| T33.51 | Superficial frostbite of wrist | — |
| T33.51 | Superficial frostbite of wrist | — |
| T33.52 | Superficial frostbite of hand | — |
| T33.52 | Superficial frostbite of hand | — |
| T33.53 | Superficial frostbite of finger(s) | — |
| T33.53 | Superficial frostbite of finger(s) | — |
| T33.60 | Superficial frostbite of unspecified hip and thigh | — |
| T33.60 | Superficial frostbite of unspecified hip and thigh | — |
| T33.60XA | Superficial frostbite of unspecified hip and thigh, initial encounter | ✓ |
| T33.60XA | Superficial frostbite of unspecified hip and thigh, initial encounter | ✓ |
| T33.60XD | Superficial frostbite of unspecified hip and thigh, subsequent encounter | ✓ |
| T33.60XD | Superficial frostbite of unspecified hip and thigh, subsequent encounter | ✓ |
| T33.60XS | Superficial frostbite of unspecified hip and thigh, sequela | ✓ |
| T33.60XS | Superficial frostbite of unspecified hip and thigh, sequela | ✓ |
| T33.61 | Superficial frostbite of right hip and thigh | — |
| T33.61 | Superficial frostbite of right hip and thigh | — |
| T33.61XA | Superficial frostbite of right hip and thigh, initial encounter | ✓ |
| T33.61XA | Superficial frostbite of right hip and thigh, initial encounter | ✓ |
| T33.61XD | Superficial frostbite of right hip and thigh, subsequent encounter | ✓ |
| T33.61XD | Superficial frostbite of right hip and thigh, subsequent encounter | ✓ |
| T33.61XS | Superficial frostbite of right hip and thigh, sequela | ✓ |
| T33.61XS | Superficial frostbite of right hip and thigh, sequela | ✓ |
| T33.62 | Superficial frostbite of left hip and thigh | — |
| T33.62 | Superficial frostbite of left hip and thigh | — |
| T33.62XA | Superficial frostbite of left hip and thigh, initial encounter | ✓ |
| T33.62XA | Superficial frostbite of left hip and thigh, initial encounter | ✓ |
| T33.62XD | Superficial frostbite of left hip and thigh, subsequent encounter | ✓ |
| T33.62XD | Superficial frostbite of left hip and thigh, subsequent encounter | ✓ |
| T33.62XS | Superficial frostbite of left hip and thigh, sequela | ✓ |
| T33.62XS | Superficial frostbite of left hip and thigh, sequela | ✓ |
| T33.70 | Superficial frostbite of unspecified knee and lower leg | — |
| T33.70 | Superficial frostbite of unspecified knee and lower leg | — |
| T33.70XA | Superficial frostbite of unspecified knee and lower leg, initial encounter | ✓ |
| T33.70XA | Superficial frostbite of unspecified knee and lower leg, initial encounter | ✓ |
| T33.70XD | Superficial frostbite of unspecified knee and lower leg, subsequent encounter | ✓ |
| T33.70XD | Superficial frostbite of unspecified knee and lower leg, subsequent encounter | ✓ |
| T33.70XS | Superficial frostbite of unspecified knee and lower leg, sequela | ✓ |
| T33.70XS | Superficial frostbite of unspecified knee and lower leg, sequela | ✓ |
| T33.71 | Superficial frostbite of right knee and lower leg | — |
| T33.71 | Superficial frostbite of right knee and lower leg | — |
| T33.71XA | Superficial frostbite of right knee and lower leg, initial encounter | ✓ |
| T33.71XA | Superficial frostbite of right knee and lower leg, initial encounter | ✓ |
| T33.71XD | Superficial frostbite of right knee and lower leg, subsequent encounter | ✓ |
| T33.71XD | Superficial frostbite of right knee and lower leg, subsequent encounter | ✓ |
| T33.71XS | Superficial frostbite of right knee and lower leg, sequela | ✓ |
| T33.71XS | Superficial frostbite of right knee and lower leg, sequela | ✓ |
| T33.72 | Superficial frostbite of left knee and lower leg | — |
| T33.72 | Superficial frostbite of left knee and lower leg | — |
| T33.72XA | Superficial frostbite of left knee and lower leg, initial encounter | ✓ |
| T33.72XA | Superficial frostbite of left knee and lower leg, initial encounter | ✓ |
| T33.72XD | Superficial frostbite of left knee and lower leg, subsequent encounter | ✓ |
| T33.72XD | Superficial frostbite of left knee and lower leg, subsequent encounter | ✓ |
| T33.72XS | Superficial frostbite of left knee and lower leg, sequela | ✓ |
| T33.72XS | Superficial frostbite of left knee and lower leg, sequela | ✓ |
| T33.81 | Superficial frostbite of ankle | — |
| T33.81 | Superficial frostbite of ankle | — |
| T33.82 | Superficial frostbite of foot | — |
| T33.82 | Superficial frostbite of foot | — |
| T33.83 | Superficial frostbite of toe(s) | — |
| T33.83 | Superficial frostbite of toe(s) | — |
| T33.90 | Superficial frostbite of unspecified sites | — |
| T33.90 | Superficial frostbite of unspecified sites | — |
| T33.90XA | Superficial frostbite of unspecified sites, initial encounter | ✓ |
| T33.90XA | Superficial frostbite of unspecified sites, initial encounter | ✓ |
| T33.90XD | Superficial frostbite of unspecified sites, subsequent encounter | ✓ |
| T33.90XD | Superficial frostbite of unspecified sites, subsequent encounter | ✓ |
| T33.90XS | Superficial frostbite of unspecified sites, sequela | ✓ |
| T33.90XS | Superficial frostbite of unspecified sites, sequela | ✓ |
| T33.99 | Superficial frostbite of other sites | — |
| T33.99 | Superficial frostbite of other sites | — |
| T33.99XA | Superficial frostbite of other sites, initial encounter | ✓ |
| T33.99XA | Superficial frostbite of other sites, initial encounter | ✓ |
| T33.99XD | Superficial frostbite of other sites, subsequent encounter | ✓ |
| T33.99XD | Superficial frostbite of other sites, subsequent encounter | ✓ |
| T33.99XS | Superficial frostbite of other sites, sequela | ✓ |
| T33.99XS | Superficial frostbite of other sites, sequela | ✓ |
| T33.511 | Superficial frostbite of right wrist | — |
| T33.511 | Superficial frostbite of right wrist | — |
| T33.511A | Superficial frostbite of right wrist, initial encounter | ✓ |
| T33.511A | Superficial frostbite of right wrist, initial encounter | ✓ |
| T33.511D | Superficial frostbite of right wrist, subsequent encounter | ✓ |
| T33.511D | Superficial frostbite of right wrist, subsequent encounter | ✓ |
| T33.511S | Superficial frostbite of right wrist, sequela | ✓ |
| T33.511S | Superficial frostbite of right wrist, sequela | ✓ |
| T33.512 | Superficial frostbite of left wrist | — |
| T33.512 | Superficial frostbite of left wrist | — |
| T33.512A | Superficial frostbite of left wrist, initial encounter | ✓ |
| T33.512A | Superficial frostbite of left wrist, initial encounter | ✓ |
| T33.512D | Superficial frostbite of left wrist, subsequent encounter | ✓ |
| T33.512D | Superficial frostbite of left wrist, subsequent encounter | ✓ |
| T33.512S | Superficial frostbite of left wrist, sequela | ✓ |
| T33.512S | Superficial frostbite of left wrist, sequela | ✓ |
| T33.519 | Superficial frostbite of unspecified wrist | — |
| T33.519 | Superficial frostbite of unspecified wrist | — |
| T33.519A | Superficial frostbite of unspecified wrist, initial encounter | ✓ |
| T33.519A | Superficial frostbite of unspecified wrist, initial encounter | ✓ |
| T33.519D | Superficial frostbite of unspecified wrist, subsequent encounter | ✓ |
| T33.519D | Superficial frostbite of unspecified wrist, subsequent encounter | ✓ |
| T33.519S | Superficial frostbite of unspecified wrist, sequela | ✓ |
| T33.519S | Superficial frostbite of unspecified wrist, sequela | ✓ |
| T33.521 | Superficial frostbite of right hand | — |
| T33.521 | Superficial frostbite of right hand | — |
| T33.521A | Superficial frostbite of right hand, initial encounter | ✓ |
| T33.521A | Superficial frostbite of right hand, initial encounter | ✓ |
| T33.521D | Superficial frostbite of right hand, subsequent encounter | ✓ |
| T33.521D | Superficial frostbite of right hand, subsequent encounter | ✓ |
| T33.521S | Superficial frostbite of right hand, sequela | ✓ |
| T33.521S | Superficial frostbite of right hand, sequela | ✓ |
| T33.522 | Superficial frostbite of left hand | — |
| T33.522 | Superficial frostbite of left hand | — |
| T33.522A | Superficial frostbite of left hand, initial encounter | ✓ |
| T33.522A | Superficial frostbite of left hand, initial encounter | ✓ |
| T33.522D | Superficial frostbite of left hand, subsequent encounter | ✓ |
| T33.522D | Superficial frostbite of left hand, subsequent encounter | ✓ |
| T33.522S | Superficial frostbite of left hand, sequela | ✓ |
| T33.522S | Superficial frostbite of left hand, sequela | ✓ |
| T33.529 | Superficial frostbite of unspecified hand | — |
| T33.529 | Superficial frostbite of unspecified hand | — |
| T33.529A | Superficial frostbite of unspecified hand, initial encounter | ✓ |
| T33.529A | Superficial frostbite of unspecified hand, initial encounter | ✓ |
| T33.529D | Superficial frostbite of unspecified hand, subsequent encounter | ✓ |
| T33.529D | Superficial frostbite of unspecified hand, subsequent encounter | ✓ |
| T33.529S | Superficial frostbite of unspecified hand, sequela | ✓ |
| T33.529S | Superficial frostbite of unspecified hand, sequela | ✓ |
| T33.531 | Superficial frostbite of right finger(s) | — |
| T33.531 | Superficial frostbite of right finger(s) | — |
| T33.531A | Superficial frostbite of right finger(s), initial encounter | ✓ |
| T33.531A | Superficial frostbite of right finger(s), initial encounter | ✓ |
| T33.531D | Superficial frostbite of right finger(s), subsequent encounter | ✓ |
| T33.531D | Superficial frostbite of right finger(s), subsequent encounter | ✓ |
| T33.531S | Superficial frostbite of right finger(s), sequela | ✓ |
| T33.531S | Superficial frostbite of right finger(s), sequela | ✓ |
| T33.532 | Superficial frostbite of left finger(s) | — |
| T33.532 | Superficial frostbite of left finger(s) | — |
| T33.532A | Superficial frostbite of left finger(s), initial encounter | ✓ |
| T33.532A | Superficial frostbite of left finger(s), initial encounter | ✓ |
| T33.532D | Superficial frostbite of left finger(s), subsequent encounter | ✓ |
| T33.532D | Superficial frostbite of left finger(s), subsequent encounter | ✓ |
| T33.532S | Superficial frostbite of left finger(s), sequela | ✓ |
| T33.532S | Superficial frostbite of left finger(s), sequela | ✓ |
| T33.539 | Superficial frostbite of unspecified finger(s) | — |
| T33.539 | Superficial frostbite of unspecified finger(s) | — |
| T33.539A | Superficial frostbite of unspecified finger(s), initial encounter | ✓ |
| T33.539A | Superficial frostbite of unspecified finger(s), initial encounter | ✓ |
| T33.539D | Superficial frostbite of unspecified finger(s), subsequent encounter | ✓ |
| T33.539D | Superficial frostbite of unspecified finger(s), subsequent encounter | ✓ |
| T33.539S | Superficial frostbite of unspecified finger(s), sequela | ✓ |
| T33.539S | Superficial frostbite of unspecified finger(s), sequela | ✓ |
| T33.811 | Superficial frostbite of right ankle | — |
| T33.811 | Superficial frostbite of right ankle | — |
| T33.811A | Superficial frostbite of right ankle, initial encounter | ✓ |
| T33.811A | Superficial frostbite of right ankle, initial encounter | ✓ |
| T33.811D | Superficial frostbite of right ankle, subsequent encounter | ✓ |
| T33.811D | Superficial frostbite of right ankle, subsequent encounter | ✓ |
| T33.811S | Superficial frostbite of right ankle, sequela | ✓ |
| T33.811S | Superficial frostbite of right ankle, sequela | ✓ |
| T33.812 | Superficial frostbite of left ankle | — |
| T33.812 | Superficial frostbite of left ankle | — |
| T33.812A | Superficial frostbite of left ankle, initial encounter | ✓ |
| T33.812A | Superficial frostbite of left ankle, initial encounter | ✓ |
| T33.812D | Superficial frostbite of left ankle, subsequent encounter | ✓ |
| T33.812D | Superficial frostbite of left ankle, subsequent encounter | ✓ |
| T33.812S | Superficial frostbite of left ankle, sequela | ✓ |
| T33.812S | Superficial frostbite of left ankle, sequela | ✓ |
| T33.819 | Superficial frostbite of unspecified ankle | — |
| T33.819 | Superficial frostbite of unspecified ankle | — |
| T33.819A | Superficial frostbite of unspecified ankle, initial encounter | ✓ |
| T33.819A | Superficial frostbite of unspecified ankle, initial encounter | ✓ |
| T33.819D | Superficial frostbite of unspecified ankle, subsequent encounter | ✓ |
| T33.819D | Superficial frostbite of unspecified ankle, subsequent encounter | ✓ |
| T33.819S | Superficial frostbite of unspecified ankle, sequela | ✓ |
| T33.819S | Superficial frostbite of unspecified ankle, sequela | ✓ |
| T33.821 | Superficial frostbite of right foot | — |
| T33.821 | Superficial frostbite of right foot | — |
| T33.821A | Superficial frostbite of right foot, initial encounter | ✓ |
| T33.821A | Superficial frostbite of right foot, initial encounter | ✓ |
| T33.821D | Superficial frostbite of right foot, subsequent encounter | ✓ |
| T33.821D | Superficial frostbite of right foot, subsequent encounter | ✓ |
| T33.821S | Superficial frostbite of right foot, sequela | ✓ |
| T33.821S | Superficial frostbite of right foot, sequela | ✓ |
| T33.822 | Superficial frostbite of left foot | — |
| T33.822 | Superficial frostbite of left foot | — |
| T33.822A | Superficial frostbite of left foot, initial encounter | ✓ |
| T33.822A | Superficial frostbite of left foot, initial encounter | ✓ |
| T33.822D | Superficial frostbite of left foot, subsequent encounter | ✓ |
| T33.822D | Superficial frostbite of left foot, subsequent encounter | ✓ |
| T33.822S | Superficial frostbite of left foot, sequela | ✓ |
| T33.822S | Superficial frostbite of left foot, sequela | ✓ |
| T33.829 | Superficial frostbite of unspecified foot | — |
| T33.829 | Superficial frostbite of unspecified foot | — |
| T33.829A | Superficial frostbite of unspecified foot, initial encounter | ✓ |
| T33.829A | Superficial frostbite of unspecified foot, initial encounter | ✓ |
| T33.829D | Superficial frostbite of unspecified foot, subsequent encounter | ✓ |
| T33.829D | Superficial frostbite of unspecified foot, subsequent encounter | ✓ |
| T33.829S | Superficial frostbite of unspecified foot, sequela | ✓ |
| T33.829S | Superficial frostbite of unspecified foot, sequela | ✓ |
| T33.831 | Superficial frostbite of right toe(s) | — |
| T33.831 | Superficial frostbite of right toe(s) | — |
| T33.831A | Superficial frostbite of right toe(s), initial encounter | ✓ |
| T33.831A | Superficial frostbite of right toe(s), initial encounter | ✓ |
| T33.831D | Superficial frostbite of right toe(s), subsequent encounter | ✓ |
| T33.831D | Superficial frostbite of right toe(s), subsequent encounter | ✓ |
| T33.831S | Superficial frostbite of right toe(s), sequela | ✓ |
| T33.831S | Superficial frostbite of right toe(s), sequela | ✓ |
| T33.832 | Superficial frostbite of left toe(s) | — |
| T33.832 | Superficial frostbite of left toe(s) | — |
| T33.832A | Superficial frostbite of left toe(s), initial encounter | ✓ |
| T33.832A | Superficial frostbite of left toe(s), initial encounter | ✓ |
| T33.832D | Superficial frostbite of left toe(s), subsequent encounter | ✓ |
| T33.832D | Superficial frostbite of left toe(s), subsequent encounter | ✓ |
| T33.832S | Superficial frostbite of left toe(s), sequela | ✓ |
| T33.832S | Superficial frostbite of left toe(s), sequela | ✓ |
| T33.839 | Superficial frostbite of unspecified toe(s) | — |
| T33.839 | Superficial frostbite of unspecified toe(s) | — |
| T33.839A | Superficial frostbite of unspecified toe(s), initial encounter | ✓ |
| T33.839A | Superficial frostbite of unspecified toe(s), initial encounter | ✓ |
| T33.839D | Superficial frostbite of unspecified toe(s), subsequent encounter | ✓ |
| T33.839D | Superficial frostbite of unspecified toe(s), subsequent encounter | ✓ |
| T33.839S | Superficial frostbite of unspecified toe(s), sequela | ✓ |
| T33.839S | Superficial frostbite of unspecified toe(s), sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code T33?
T33 is an ICD-10-CM category covering Superficial frostbite. It contains 324 more specific diagnosis codes, 222 of which are billable.
Is T33 a billable code?
No — T33 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 T33.0 — Superficial frostbite of head). 222 of the 324 codes under T33 are billable.
What codes fall under T33?
T33 includes T33.0, T33.0, T33.01, T33.01, T33.1, plus 319 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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