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ICD-10-CM Current in FY 2027

T33.4

Superficial frostbite of arm

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where T33.4 sits in the official hierarchy. Each level is the code it is classified under.

  1. T33 Parent Superficial frostbite
  2. T33.4 This code Superficial frostbite of arm

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Includes

frostbite with partial thickness skin loss

Inherited from T33 — Superficial frostbite

Excludes2

superficial frostbite of wrist and hand ( T33.5- )

7th Character

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

Inherited from T33 — Superficial frostbite

7th Character

A - initial encounter

Inherited from T33 — Superficial frostbite

7th Character

D - subsequent encounter

Inherited from T33 — Superficial frostbite

7th Character

S - sequela

Inherited from T33 — Superficial frostbite

More Specific Codes

3 codes under T33.4

Version History

How T33.4 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Superficial frostbite of arm

  2. FY 2026 Effective

    Unchanged

    Superficial frostbite of arm

Related Codes

Other codes under T33

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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