S99
Header — not billableOther and unspecified injuries of ankle and foot
The ICD-10 code for other and unspecified injuries of ankle and foot is S99.
S99 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 5 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 S99
Related codes in this category
- S90Superficial injury of ankle, foot and toesnon-billable header
- S91Open wound of ankle, foot and toesnon-billable header
- S92Fracture of foot and toe, except anklenon-billable header
- S93Dislocation and sprain of joints and ligaments at ankle, foot and toe levelnon-billable header
- S94Injury of nerves at ankle and foot levelnon-billable header
- S95Injury of blood vessels at ankle and foot levelnon-billable header
- S96Injury of muscle and tendon at ankle and foot levelnon-billable header
- S97Crushing injury of ankle and footnon-billable header
- S98Traumatic amputation of ankle and footnon-billable header
- S99Other and unspecified injuries of ankle and footnon-billable header