ICD-10-CM
T25.599: Corrosion of first degree of multiple sites of unspecified ankle and foot
A header, not a billable code. Bill a more specific code under it.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
- Kind
- Header. Not a billable code.
- Category
- T25
Run it in Rivvi
Check every code on your export
Upload a claims or problem-list export. Rivvi flags codes that are not billable, replaced, or unspecified when a specific code exists.
Check my exportFree to start. Opens Rivvi, the AI workspace for healthcare teams.
Codes under T25.599
A header groups codes and is not billed. A billable code is one you can report.
- T25.599ACorrosion of first degree of multiple sites of unspecified ankle and foot, initial encounterBillable
- T25.599DCorrosion of first degree of multiple sites of unspecified ankle and foot, subsequent encounterBillable
- T25.599SCorrosion of first degree of multiple sites of unspecified ankle and foot, sequelaBillable
It's the public CDC file. Check the current ICD-10-CM guidelines before you code.
Code first
The CDC tabular list says to report the code named here before this one.
From T25.5. A note on a category applies to every code under it.
Code first (T51-T65) to identify chemical and intent
Use additional code
The CDC tabular list says to add the code named here after this one when it applies.
From T25.5. A note on a category applies to every code under it.
Use additional external cause code to identify place (Y92)