S86.129 - Laceration of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, unspecified leg S86.1 - Injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level S86.12 - Laceration of other muscle(s) and tendon(s) of posterior muscle group at lower leg level S86.129 - Laceration of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, unspecified leg