T33 Superficial frostbite

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Superficial frostbite is T33 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
T33-T34: Frostbite (T33-T34)
Category T33
52 codes (37 billable)
FY2026 Status
Stable since FY2024
Includes
  • frostbite with partial thickness skin loss

Official Coding Guidelines

Sequence blood vessel/nerve injury first (fragment)

injury is to the blood vessels or nerves, that injury should be sequenced first.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.2
Do not assign injury codes for iatrogenic injuries; code complication

3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.3

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference T33 with the canonical source and edition:

T33 — Superficial frostbite. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/T33

Canonical URL: https://icd10codingpro.com/codes/T33

Related Codes

All Codes in T33

Every most-specific code under T33 Superficial frostbite (37 codes):

Show the complete T33 code list
T33.011 Superficial frostbite of right ear T33.012 Superficial frostbite of left ear T33.019 Superficial frostbite of unspecified ear T33.02 Superficial frostbite of nose T33.09 Superficial frostbite of other part of head T33.1 Superficial frostbite of neck T33.2 Superficial frostbite of thorax T33.3 Superficial frostbite of abdominal wall, lower back and pelvis T33.40 Superficial frostbite of unspecified arm T33.41 Superficial frostbite of right arm T33.42 Superficial frostbite of left arm T33.511 Superficial frostbite of right wrist T33.512 Superficial frostbite of left wrist T33.519 Superficial frostbite of unspecified wrist T33.521 Superficial frostbite of right hand T33.522 Superficial frostbite of left hand T33.529 Superficial frostbite of unspecified hand T33.531 Superficial frostbite of right finger(s) T33.532 Superficial frostbite of left finger(s) T33.539 Superficial frostbite of unspecified finger(s) T33.60 Superficial frostbite of unspecified hip and thigh T33.61 Superficial frostbite of right hip and thigh T33.62 Superficial frostbite of left hip and thigh T33.70 Superficial frostbite of unspecified knee and lower leg T33.71 Superficial frostbite of right knee and lower leg T33.72 Superficial frostbite of left knee and lower leg T33.811 Superficial frostbite of right ankle T33.812 Superficial frostbite of left ankle T33.819 Superficial frostbite of unspecified ankle T33.821 Superficial frostbite of right foot T33.822 Superficial frostbite of left foot T33.829 Superficial frostbite of unspecified foot T33.831 Superficial frostbite of right toe(s) T33.832 Superficial frostbite of left toe(s) T33.839 Superficial frostbite of unspecified toe(s) T33.90 Superficial frostbite of unspecified sites T33.99 Superficial frostbite of other sites
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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