ICD-10-CM Current in FY 2027

T25.412

Corrosion of unspecified degree of left ankle

Hierarchy

Where T25.412 sits in the official hierarchy. Each level is the code it is classified under.

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

Code First

(T51-T65) to identify chemical and intent

Inherited from T25.4 — Corrosion of unspecified degree of ankle and foot

Use Additional Code

external cause code to identify place ( Y92 )

Inherited from T25.4 — Corrosion of unspecified degree of ankle and foot

7th Character

The appropriate 7th character is to be added to each code from category T25

Inherited from T25 — Burn and corrosion of ankle and foot

7th Character

A - initial encounter

Inherited from T25 — Burn and corrosion of ankle and foot

7th Character

D - subsequent encounter

Inherited from T25 — Burn and corrosion of ankle and foot

7th Character

S - sequela

Inherited from T25 — Burn and corrosion of ankle and foot

3 codes under T25.412

How T25.412 appears in each release imported from the official files, newest first.

FY 2027 Effective October 1, 2026
Current

Corrosion of unspecified degree of left ankle
FY 2026 Effective October 1, 2025
Unchanged

Corrosion of unspecified degree of left ankle

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

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