S84.9
Header — not billableInjury of unspecified nerve at lower leg level
The ICD-10 code for injury of unspecified nerve at lower leg level is S84.9.
S84.9 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.
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
- S84.0Injury of tibial nerve at lower leg levelnon-billable header
- S84.1Injury of peroneal nerve at lower leg levelnon-billable header
- S84.2Injury of cutaneous sensory nerve at lower leg levelnon-billable header
- S84.8Injury of other nerves at lower leg levelnon-billable header
- S84.9Injury of unspecified nerve at lower leg levelnon-billable header