S86.1 - Injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level
S86.19 - Other injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level
S86.191 - Other injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, right leg
S86.192 - Other injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, left leg
S86.199 - Other injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, unspecified leg