S86.99 - Other injury of unspecified muscle and tendon at lower leg level S86.9 - Injury of unspecified muscle and tendon at lower leg level S86.99 - Other injury of unspecified muscle and tendon at lower leg level S86.991 - Other injury of unspecified muscle(s) and tendon(s) at lower leg level, right leg S86.992 - Other injury of unspecified muscle(s) and tendon(s) at lower leg level, left leg S86.999 - Other injury of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg