S93.40
Header — not billableSprain of unspecified ligament of ankle
The ICD-10 code for sprain of unspecified ligament of ankle is S93.40.
S93.40 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
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Sprain of ankle NOS
- Sprained ankle NOS
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.
Related codes in this category
- S93.41Sprain of calcaneofibular ligamentnon-billable header
- S93.42Sprain of deltoid ligamentnon-billable header
- S93.43Sprain of tibiofibular ligamentnon-billable header
- S93.49Sprain of other ligament of anklenon-billable header
- S93.40Sprain of unspecified ligament of anklenon-billable header