T33-T34

Non-Billable
ChapterS00–T88
Rankblock
Official Description

Frostbite (T33-T34)

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

CH19 Parent Instructions

Excludes2(Not included here)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

Instructional Notes

Excludes2(Not included here)
  • hypothermia and other effects of reduced temperature (T68, T69.-)

Clinical Hierarchy

CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T33-T34Frostbite (T33-T34)
T33Superficial frostbite
T34Frostbite with tissue necrosis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T33-T34:

chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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