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ICD-10-CM · FY 2026 APRIL UPDATE

T25.6

Corrosion of second degree of ankle and foot

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
T25.61Corrosion of second degree of ankleCategory
T25.611Corrosion of second degree of right ankleCategory
T25.611ACorrosion of second degree of right ankle, initial encounterBillable
T25.611DCorrosion of second degree of right ankle, subsequent encounterBillable
T25.611SCorrosion of second degree of right ankle, sequelaBillable
T25.612Corrosion of second degree of left ankleCategory
T25.612ACorrosion of second degree of left ankle, initial encounterBillable
T25.612DCorrosion of second degree of left ankle, subsequent encounterBillable
T25.612SCorrosion of second degree of left ankle, sequelaBillable
T25.619Corrosion of second degree of unspecified ankleCategory
T25.619ACorrosion of second degree of unspecified ankle, initial encounterBillable
T25.619DCorrosion of second degree of unspecified ankle, subsequent encounterBillable
T25.619SCorrosion of second degree of unspecified ankle, sequelaBillable
T25.62Corrosion of second degree of footCategory
T25.621Corrosion of second degree of right footCategory
T25.621ACorrosion of second degree of right foot, initial encounterBillable
T25.621DCorrosion of second degree of right foot, subsequent encounterBillable
T25.621SCorrosion of second degree of right foot, sequelaBillable
T25.622Corrosion of second degree of left footCategory
T25.622ACorrosion of second degree of left foot, initial encounterBillable
T25.622DCorrosion of second degree of left foot, subsequent encounterBillable
T25.622SCorrosion of second degree of left foot, sequelaBillable
T25.629Corrosion of second degree of unspecified footCategory
T25.629ACorrosion of second degree of unspecified foot, initial encounterBillable
T25.629DCorrosion of second degree of unspecified foot, subsequent encounterBillable
T25.629SCorrosion of second degree of unspecified foot, sequelaBillable
T25.63Corrosion of second degree of toe(s) (nail)Category
T25.631Corrosion of second degree of right toe(s) (nail)Category
T25.631ACorrosion of second degree of right toe(s) (nail), initial encounterBillable
T25.631DCorrosion of second degree of right toe(s) (nail), subsequent encounterBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.