S86.309 - Unspecified injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, unspecified leg S86.3 - Injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level S86.30 - Unspecified injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level S86.309 - Unspecified injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, unspecified leg