Back to ICD-10 library
ICD-10-CM · FY 2026 APRIL UPDATE

T25.7

Corrosion of third 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
T25.71Corrosion of third degree of ankleCategory
T25.711Corrosion of third degree of right ankleCategory
T25.711ACorrosion of third degree of right ankle, initial encounterBillable
T25.711DCorrosion of third degree of right ankle, subsequent encounterBillable
T25.711SCorrosion of third degree of right ankle, sequelaBillable
T25.712Corrosion of third degree of left ankleCategory
T25.712ACorrosion of third degree of left ankle, initial encounterBillable
T25.712DCorrosion of third degree of left ankle, subsequent encounterBillable
T25.712SCorrosion of third degree of left ankle, sequelaBillable
T25.719Corrosion of third degree of unspecified ankleCategory
T25.719ACorrosion of third degree of unspecified ankle, initial encounterBillable
T25.719DCorrosion of third degree of unspecified ankle, subsequent encounterBillable
T25.719SCorrosion of third degree of unspecified ankle, sequelaBillable
T25.72Corrosion of third degree of footCategory
T25.721Corrosion of third degree of right footCategory
T25.721ACorrosion of third degree of right foot, initial encounterBillable
T25.721DCorrosion of third degree of right foot, subsequent encounterBillable
T25.721SCorrosion of third degree of right foot, sequelaBillable
T25.722Corrosion of third degree of left footCategory
T25.722ACorrosion of third degree of left foot, initial encounterBillable
T25.722DCorrosion of third degree of left foot, subsequent encounterBillable
T25.722SCorrosion of third degree of left foot, sequelaBillable
T25.729Corrosion of third degree of unspecified footCategory
T25.729ACorrosion of third degree of unspecified foot, initial encounterBillable
T25.729DCorrosion of third degree of unspecified foot, subsequent encounterBillable
T25.729SCorrosion of third degree of unspecified foot, sequelaBillable
T25.73Corrosion of third degree of toe(s) (nail)Category
T25.731Corrosion of third degree of right toe(s) (nail)Category
T25.731ACorrosion of third degree of right toe(s) (nail), initial encounterBillable
T25.731DCorrosion of third 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.