S86.9
Header — not billableInjury of unspecified muscle and tendon at lower leg level
The ICD-10 code for injury of unspecified muscle and tendon at lower leg level is S86.9.
S86.9 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 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 S86.9
- S86.90Unspecified injury of unspecified muscle and tendon at lower leg levelnon-billable header
- S86.91Strain of unspecified muscle and tendon at lower leg levelnon-billable header
- S86.92Laceration of unspecified muscle and tendon at lower leg levelnon-billable header
- S86.99Other injury of unspecified muscle and tendon at lower leg levelnon-billable header
Related codes in this category
- S86.0Injury of Achilles tendonnon-billable header
- S86.1Injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg levelnon-billable header
- S86.2Injury of muscle(s) and tendon(s) of anterior muscle group at lower leg levelnon-billable header
- S86.3Injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg levelnon-billable header
- S86.8Injury of other muscles and tendons at lower leg levelnon-billable header
- S86.9Injury of unspecified muscle and tendon at lower leg levelnon-billable header