ICD-10-CM > S00-T88 > S80-S89 > S86 > S86.1 S86.1 Injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level Non-Billable/Non-Specific Codes S86.10Unspecified injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg levelS86.101Unspecified injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, right legS86.101A..., initial encounterS86.101D..., subsequent encounterS86.101S..., sequelaS86.102Unspecified injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, left legS86.102A..., initial encounterS86.102D..., subsequent encounterS86.102S..., sequelaS86.109Unspecified injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, unspecified legS86.109A..., initial encounterS86.109D..., subsequent encounterS86.109S..., sequelaS86.11Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg levelS86.111Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, right legS86.111A..., initial encounterS86.111D..., subsequent encounterS86.111S..., sequelaS86.112Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, left legS86.112A..., initial encounterS86.112D..., subsequent encounterS86.112S..., sequelaS86.119Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, unspecified legS86.119A..., initial encounterS86.119D..., subsequent encounterS86.119S..., sequelaS86.12Laceration of other muscle(s) and tendon(s) of posterior muscle group at lower leg levelS86.121Laceration of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, right legS86.121A..., initial encounterS86.121D..., subsequent encounterS86.121S..., sequelaS86.122Laceration of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, left legS86.122A..., initial encounterS86.122D..., subsequent encounterS86.122S..., sequelaS86.129Laceration of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, unspecified legS86.129A..., initial encounterS86.129D..., subsequent encounterS86.129S..., sequelaS86.19Other injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg levelS86.191Other injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, right legS86.191A..., initial encounterS86.191D..., subsequent encounterS86.191S..., sequelaS86.192Other injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, left legS86.192A..., initial encounterS86.192D..., subsequent encounterS86.192S..., sequelaS86.199Other injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, unspecified legS86.199A..., initial encounterS86.199D..., subsequent encounterS86.199S..., sequela