S91.20
Header — not billableUnspecified open wound of toe with damage to nail
The ICD-10 code for unspecified open wound of toe with damage to nail is S91.20.
S91.20 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 7 more specific codes below.
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.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under S91.20
- S91.201Unspecified open wound of right great toe with damage to nail
- S91.202Unspecified open wound of left great toe with damage to nail
- S91.203Unspecified open wound of unspecified great toe with damage to nail
- S91.204Unspecified open wound of right lesser toe(s) with damage to nail
- S91.205Unspecified open wound of left lesser toe(s) with damage to nail
- S91.206Unspecified open wound of unspecified lesser toe(s) with damage to nail
- S91.209Unspecified open wound of unspecified toe(s) with damage to nail
Related codes in this category
- S91.21Laceration without foreign body of toe with damage to nailnon-billable header
- S91.22Laceration with foreign body of toe with damage to nailnon-billable header
- S91.23Puncture wound without foreign body of toe with damage to nailnon-billable header
- S91.24Puncture wound with foreign body of toe with damage to nailnon-billable header
- S91.25Open bite of toe with damage to nailnon-billable header
- S91.20Unspecified open wound of toe with damage to nailnon-billable header