ICD-10/T33.1XXA

T33.1XXA ICD 2026 Code: Superficial frostbite of neck, initial encounter

T33.1XXA is the authoritative medical code for Superficial frostbite of neck, initial encounter. This classification is used in medical billing and clinical recording to specify the clinical criteria for superficial frostbite of neck, initial encounter (ICD-10-CM T33.1XXA), 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, initial encounter is a billable ICD-10-CM diagnosis code T33.1A. 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 T33.1XXA 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 T33.1XXA require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category T33.

Can T33.1XXA be reported alongside related conditions?

Per official ICD-10-CM Excludes2 instructions, T33.1XXA 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 T33.1XXA in its code family, 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

View all 28 codes in the T33 family