S86.1
⚠ Non-billable (Header)Injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level
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.
⚠️ Excludes2
inherited from S86Rules from parent category S86: Injury of muscle, fascia and tendon at lower leg level
- • injury of muscle, fascia and tendon at ankle (S96.-)
- • injury of patellar ligament (tendon) (S76.1-)
- • sprain of joints and ligaments of knee (S83.-)
Child Codes (4)
S86.10Unspecified injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg levelS86.11Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg levelS86.12Laceration of other muscle(s) and tendon(s) of posterior muscle group at lower leg levelS86.19Other injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level
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CodeS86.1
BillableNo — Header code
ParentS86
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes23 note(s)
Child codes4
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)