ICD-10-CM category
T33 Superficial frostbite
T33 is a category, not a billable code. Report one of the 111 complete codes below.
T33.0…
15 codes
- 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
- T33.02XASuperficial 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
T33.1…
3 codes
T33.2…
3 codes
T33.3…
3 codes
T33.4…
9 codes
- 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
T33.5…
27 codes
- T33.511ASuperficial frostbite of right wrist, initial encounter
- T33.511DSuperficial frostbite of right wrist, subsequent encounter
- T33.511SSuperficial frostbite of right wrist, sequela
- T33.512ASuperficial frostbite of left wrist, initial encounter
- T33.512DSuperficial frostbite of left wrist, subsequent encounter
- T33.512SSuperficial frostbite of left wrist, sequela
- T33.519ASuperficial frostbite of unspecified wrist, initial encounter
- T33.519DSuperficial frostbite of unspecified wrist, subsequent encounter
- T33.519SSuperficial frostbite of unspecified wrist, sequela
- T33.521ASuperficial frostbite of right hand, initial encounter
- T33.521DSuperficial frostbite of right hand, subsequent encounter
- T33.521SSuperficial frostbite of right hand, sequela
- T33.522ASuperficial frostbite of left hand, initial encounter
- T33.522DSuperficial frostbite of left hand, subsequent encounter
- T33.522SSuperficial frostbite of left hand, sequela
- T33.529ASuperficial frostbite of unspecified hand, initial encounter
- T33.529DSuperficial frostbite of unspecified hand, subsequent encounter
- T33.529SSuperficial frostbite of unspecified hand, sequela
- T33.531ASuperficial frostbite of right finger(s), initial encounter
- T33.531DSuperficial frostbite of right finger(s), subsequent encounter
- T33.531SSuperficial frostbite of right finger(s), sequela
- T33.532ASuperficial frostbite of left finger(s), initial encounter
- T33.532DSuperficial frostbite of left finger(s), subsequent encounter
- T33.532SSuperficial frostbite of left finger(s), sequela
- T33.539ASuperficial frostbite of unspecified finger(s), initial encounter
- T33.539DSuperficial frostbite of unspecified finger(s), subsequent encounter
- T33.539SSuperficial frostbite of unspecified finger(s), sequela
T33.6…
9 codes
- 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
T33.7…
9 codes
- 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
T33.8…
27 codes
- T33.811ASuperficial frostbite of right ankle, initial encounter
- T33.811DSuperficial frostbite of right ankle, subsequent encounter
- T33.811SSuperficial frostbite of right ankle, sequela
- T33.812ASuperficial frostbite of left ankle, initial encounter
- T33.812DSuperficial frostbite of left ankle, subsequent encounter
- T33.812SSuperficial frostbite of left ankle, sequela
- T33.819ASuperficial frostbite of unspecified ankle, initial encounter
- T33.819DSuperficial frostbite of unspecified ankle, subsequent encounter
- T33.819SSuperficial frostbite of unspecified ankle, sequela
- T33.821ASuperficial frostbite of right foot, initial encounter
- T33.821DSuperficial frostbite of right foot, subsequent encounter
- T33.821SSuperficial frostbite of right foot, sequela
- T33.822ASuperficial frostbite of left foot, initial encounter
- T33.822DSuperficial frostbite of left foot, subsequent encounter
- T33.822SSuperficial frostbite of left foot, sequela
- T33.829ASuperficial frostbite of unspecified foot, initial encounter
- T33.829DSuperficial frostbite of unspecified foot, subsequent encounter
- T33.829SSuperficial frostbite of unspecified foot, sequela
- T33.831ASuperficial frostbite of right toe(s), initial encounter
- T33.831DSuperficial frostbite of right toe(s), subsequent encounter
- T33.831SSuperficial frostbite of right toe(s), sequela
- T33.832ASuperficial frostbite of left toe(s), initial encounter
- T33.832DSuperficial frostbite of left toe(s), subsequent encounter
- T33.832SSuperficial frostbite of left toe(s), sequela
- T33.839ASuperficial frostbite of unspecified toe(s), initial encounter
- T33.839DSuperficial frostbite of unspecified toe(s), subsequent encounter
- T33.839SSuperficial frostbite of unspecified toe(s), sequela
T33.9…
6 codes
- 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
Outside the US? T33 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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