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ICD-10-CM · FY 2026 APRIL UPDATE

T25.5

Corrosion of first 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
T25.51Corrosion of first degree of ankleCategory
T25.511Corrosion of first degree of right ankleCategory
T25.511ACorrosion of first degree of right ankle, initial encounterBillable
T25.511DCorrosion of first degree of right ankle, subsequent encounterBillable
T25.511SCorrosion of first degree of right ankle, sequelaBillable
T25.512Corrosion of first degree of left ankleCategory
T25.512ACorrosion of first degree of left ankle, initial encounterBillable
T25.512DCorrosion of first degree of left ankle, subsequent encounterBillable
T25.512SCorrosion of first degree of left ankle, sequelaBillable
T25.519Corrosion of first degree of unspecified ankleCategory
T25.519ACorrosion of first degree of unspecified ankle, initial encounterBillable
T25.519DCorrosion of first degree of unspecified ankle, subsequent encounterBillable
T25.519SCorrosion of first degree of unspecified ankle, sequelaBillable
T25.52Corrosion of first degree of footCategory
T25.521Corrosion of first degree of right footCategory
T25.521ACorrosion of first degree of right foot, initial encounterBillable
T25.521DCorrosion of first degree of right foot, subsequent encounterBillable
T25.521SCorrosion of first degree of right foot, sequelaBillable
T25.522Corrosion of first degree of left footCategory
T25.522ACorrosion of first degree of left foot, initial encounterBillable
T25.522DCorrosion of first degree of left foot, subsequent encounterBillable
T25.522SCorrosion of first degree of left foot, sequelaBillable
T25.529Corrosion of first degree of unspecified footCategory
T25.529ACorrosion of first degree of unspecified foot, initial encounterBillable
T25.529DCorrosion of first degree of unspecified foot, subsequent encounterBillable
T25.529SCorrosion of first degree of unspecified foot, sequelaBillable
T25.53Corrosion of first degree of toe(s) (nail)Category
T25.531Corrosion of first degree of right toe(s) (nail)Category
T25.531ACorrosion of first degree of right toe(s) (nail), initial encounterBillable
T25.531DCorrosion of first 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.