T34 ICD-10-CM Code: Frostbite with tissue necrosis

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

T34

Frostbite with tissue necrosis

ICD-10-CM diagnosis code · United States clinical modification

Where T34 sits

  1. 1

    Chapter 19

    Injury, poisoning and certain other consequences of external causes (S00-T88)

  2. 2

    Section

    Frostbite (T33-T34)

  3. 3

    Category T34

    Frostbite with tissue necrosis

  4. 4

    Code T34

    Frostbite with tissue necrosis

Codes under T34

T34 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Notes for this code

Inclusion terms

No inclusion terms are listed for T34.

Code first

No “code first” instruction is listed for T34.

Use additional code

No “use additional code” instruction is listed for T34.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for T34.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for T34.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code T34 mean?

T34 is the FY 2027 U.S. ICD-10-CM code for “Frostbite with tissue necrosis.”

Is T34 a billable or specific ICD-10-CM code?

No. T34 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is T34 located in ICD-10-CM?

T34 is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Frostbite (T33-T34) (T33–T34), under category T34, Frostbite with tissue necrosis.

What coding notes are listed for T34?

No inclusion terms are listed for T34 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.