T33.0 is the authoritative medical code for Superficial frostbite of head. This classification is used in medical billing and clinical recording to specify the clinical criteria for superficial frostbite of head (ICD-10-CM T33.0), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Superficial frostbite of head is a non-billable ICD-10-CM category code T33.0. A more specific billable subcode must be selected for claims submission. Includes: frostbite with partial thickness skin loss. Excludes2 (not included here): hypothermia and other effects of reduced temperature (T68, T69.-). 7th character: The appropriate 7th character is to be added to each code from category T33.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for T33.0 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- frostbite with partial thickness skin loss
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- hypothermia and other effects of reduced temperature (T68, T69.-)
Frequently Asked Questions (FAQ) & Clinical Guidance
Can T33.0 be billed directly?
No. T33.0 (Superficial frostbite of head) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does T33.0 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category T33.
Can T33.0 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, T33.0 and the following are not considered part of each other and may both be reported when both conditions are present: hypothermia and other effects of reduced temperature (T68, T69.-).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to T33.0 in its code family, with their registry titles.
- T33.011 — Superficial frostbite of right ear
- T33.011A — Superficial frostbite of right ear, initial encounter
- T33.011D — Superficial frostbite of right ear, subsequent encounter
- T33.011S — Superficial frostbite of right ear, sequela
- T33.012 — Superficial frostbite of left ear
- T33.012A — Superficial frostbite of left ear, initial encounter
- T33.012D — Superficial frostbite of left ear, subsequent encounter
- T33.012S — Superficial frostbite of left ear, sequela
- T33.019 — Superficial frostbite of unspecified ear
- T33.019A — Superficial frostbite of unspecified ear, initial encounter
View all 18 codes in the T33.011 family