S86.311
⚠ Non-billable (Header)Strain 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 S86.311
Child Codes (3)
S86.311AStrain of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, right leg, initial encounterS86.311DStrain of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, right leg, subsequent encounterS86.311SStrain of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, right leg, sequela
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CodeS86.311
BillableNo — Header code
ParentS86.31
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)