T33.1XXS is the authoritative medical code for Superficial frostbite of neck, sequela. This classification is used in medical billing and clinical recording to specify the clinical criteria for superficial frostbite of neck, sequela (ICD-10-CM T33.1XXS), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Superficial frostbite of neck, sequela is a billable ICD-10-CM diagnosis code T33.1S. 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 T33.1XXS 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
Does T33.1XXS require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category T33.
Can T33.1XXS be reported alongside related conditions?
Per Excludes2 instructions, T33.1XXS and the following may both be reported when both are present: hypothermia and other effects of reduced temperature (T68, T69.-).
Codes in This Family (28)
Official ICD-10-CM classifications in the same code family as T33.1XXS, with their registry titles.
- T33 — Superficial frostbite
- T33.0 — Superficial frostbite of head
- 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
- T33.019D — Superficial frostbite of unspecified ear, subsequent encounter
- T33.019S — Superficial frostbite of unspecified ear, sequela
- T33.02XA — Superficial frostbite of nose, initial encounter
- T33.02XD — Superficial frostbite of nose, subsequent encounter
- T33.02XS — Superficial frostbite of nose, sequela
- T33.09XA — Superficial frostbite of other part of head, initial encounter
- T33.09XD — Superficial frostbite of other part of head, subsequent encounter
- T33.09XS — Superficial frostbite of other part of head, sequela
- T33.1 — Superficial frostbite of neck
- T33.1XXA — Superficial frostbite of neck, initial encounter
- T33.1XXD — Superficial frostbite of neck, subsequent encounter
- T33.2 — Superficial frostbite of thorax
- T33.2XXA — Superficial frostbite of thorax, initial encounter
- T33.2XXD — Superficial frostbite of thorax, subsequent encounter
- T33.2XXS — Superficial frostbite of thorax, sequela
- T33.3 — Superficial frostbite of abdominal wall, lower back and pelvis
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: