T33 — Superficial frostbite
Not billable
Is T33 billable?
No — T33 is a non-billable header code. T33 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 60 billable codes beneath T33.
Billable codes under this header
- T33.1XXASuperficial frostbite of neck, initial encounter
- T33.1XXDSuperficial frostbite of neck, subsequent encounter
- T33.1XXSSuperficial frostbite of neck, sequela
- T33.2XXASuperficial frostbite of thorax, initial encounter
- T33.2XXDSuperficial frostbite of thorax, subsequent encounter
- T33.2XXSSuperficial frostbite of thorax, sequela
- T33.3XXASuperficial frostbite of abdominal wall, lower back and pelvis, initial encounter
- T33.3XXDSuperficial frostbite of abdominal wall, lower back and pelvis, subsequent encounter
- T33.3XXSSuperficial frostbite of abdominal wall, lower back and pelvis, sequela
- T33.02XASuperficial frostbite of nose, initial encounter
- T33.02XDSuperficial frostbite of nose, subsequent encounter
- T33.02XSSuperficial frostbite of nose, sequela
- T33.09XASuperficial frostbite of other part of head, initial encounter
- T33.09XDSuperficial frostbite of other part of head, subsequent encounter
- T33.09XSSuperficial frostbite of other part of head, sequela
- T33.40XASuperficial frostbite of unspecified arm, initial encounter
- T33.40XDSuperficial frostbite of unspecified arm, subsequent encounter
- T33.40XSSuperficial frostbite of unspecified arm, sequela
- T33.41XASuperficial frostbite of right arm, initial encounter
- T33.41XDSuperficial frostbite of right arm, subsequent encounter
- T33.41XSSuperficial frostbite of right arm, sequela
- T33.42XASuperficial frostbite of left arm, initial encounter
- T33.42XDSuperficial frostbite of left arm, subsequent encounter
- T33.42XSSuperficial frostbite of left arm, sequela
- T33.60XASuperficial frostbite of unspecified hip and thigh, initial encounter
- T33.60XDSuperficial frostbite of unspecified hip and thigh, subsequent encounter
- T33.60XSSuperficial frostbite of unspecified hip and thigh, sequela
- T33.61XASuperficial frostbite of right hip and thigh, initial encounter
- T33.61XDSuperficial frostbite of right hip and thigh, subsequent encounter
- T33.61XSSuperficial frostbite of right hip and thigh, sequela
- T33.62XASuperficial frostbite of left hip and thigh, initial encounter
- T33.62XDSuperficial frostbite of left hip and thigh, subsequent encounter
- T33.62XSSuperficial frostbite of left hip and thigh, sequela
- T33.70XASuperficial frostbite of unspecified knee and lower leg, initial encounter
- T33.70XDSuperficial frostbite of unspecified knee and lower leg, subsequent encounter
- T33.70XSSuperficial frostbite of unspecified knee and lower leg, sequela
- T33.71XASuperficial frostbite of right knee and lower leg, initial encounter
- T33.71XDSuperficial frostbite of right knee and lower leg, subsequent encounter
- T33.71XSSuperficial frostbite of right knee and lower leg, sequela
- T33.72XASuperficial frostbite of left knee and lower leg, initial encounter
- T33.72XDSuperficial frostbite of left knee and lower leg, subsequent encounter
- T33.72XSSuperficial frostbite of left knee and lower leg, sequela
- T33.90XASuperficial frostbite of unspecified sites, initial encounter
- T33.90XDSuperficial frostbite of unspecified sites, subsequent encounter
- T33.90XSSuperficial frostbite of unspecified sites, sequela
- T33.99XASuperficial frostbite of other sites, initial encounter
- T33.99XDSuperficial frostbite of other sites, subsequent encounter
- T33.99XSSuperficial frostbite of other sites, sequela
- T33.011ASuperficial frostbite of right ear, initial encounter
- T33.011DSuperficial frostbite of right ear, subsequent encounter
- T33.011SSuperficial frostbite of right ear, sequela
- T33.012ASuperficial frostbite of left ear, initial encounter
- T33.012DSuperficial frostbite of left ear, subsequent encounter
- T33.012SSuperficial frostbite of left ear, sequela
- T33.019ASuperficial frostbite of unspecified ear, initial encounter
- T33.019DSuperficial frostbite of unspecified ear, subsequent encounter
- T33.019SSuperficial frostbite of unspecified ear, sequela
- T33.511ASuperficial frostbite of right wrist, initial encounter
- T33.511DSuperficial frostbite of right wrist, subsequent encounter
- T33.511SSuperficial frostbite of right wrist, sequela
T33 at a glance
| Code | T33 |
|---|---|
| Description | Superficial frostbite |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Includes
Conditions classified to T33.
- frostbite with partial thickness skin loss
Use additional code — inherited from Chapter 19
Report an additional code alongside T33 to fully describe the condition. T33 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T33, but a patient may have both at the same time. When documentation supports it, T33 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T33-T34
The conditions below are not part of T33, but a patient may have both at the same time. When documentation supports it, T33 and the excluded code may both be reported.
What codes fall under T33? (10)
- T33.0Superficial frostbite of headnot billable
- T33.1Superficial frostbite of necknot billable
- T33.2Superficial frostbite of thoraxnot billable
- T33.3Superficial frostbite of abdominal wall, lower back and pelvisnot billable
- T33.4Superficial frostbite of armnot billable
- T33.5Superficial frostbite of wrist, hand, and fingersnot billable
- T33.6Superficial frostbite of hip and thighnot billable
- T33.7Superficial frostbite of knee and lower legnot billable
- T33.8Superficial frostbite of ankle, foot, and toe(s)not billable
- T33.9Superficial frostbite of other and unspecified sitesnot billable
How long has T33 existed?
T33 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.