S86.391
⚠ Non-billable (Header)Other injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, right leg
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ No additional coding notes for S86.391
Child Codes (3)
S86.391AOther injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, right leg, initial encounterS86.391DOther injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, right leg, subsequent encounterS86.391SOther injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, right leg, sequela
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CodeS86.391
BillableNo — Header code
ParentS86.39
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes20 note(s)
Child codes3
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)