T25.42
Header — not billableCorrosion of unspecified degree of foot
The ICD-10 code for corrosion of unspecified degree of foot is T25.42.
T25.42 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.
Clinical notes
Excludes2 (not included here)
An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.
- corrosion of unspecified degree of toe(s) (nail) (T25.43-)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- T25.41Corrosion of unspecified degree of anklenon-billable header
- T25.43Corrosion of unspecified degree of toe(s) (nail)non-billable header
- T25.49Corrosion of unspecified degree of multiple sites of ankle and footnon-billable header
- T25.42Corrosion of unspecified degree of footnon-billable header