S91.009
Billable codeUnspecified open wound, unspecified ankle
The ICD-10 code for unspecified open wound, unspecified ankle is S91.009.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Laterality-specific codes exist for this condition — confirm the affected side is documented.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- S91.001Unspecified open wound, right ankle
- S91.002Unspecified open wound, left ankle
- S91.009Unspecified open wound, unspecified ankle