S86.91 Strain of unspecified muscle and tendon at lower leg levelNon-billable header with 3 child codes.
S86.911 Strain of unspecified muscle(s) and tendon(s) at lower leg level, right legS86.912 Strain of unspecified muscle(s) and tendon(s) at lower leg level, left legS86.919 Strain of unspecified muscle(s) and tendon(s) at lower leg level, unspecified legM23 Internal derangement of knee ("current injury - see injury of knee and lower leg (S80-S89)")S76 Injury of muscle, fascia and tendon at hip and thigh level ("injury of muscle, fascia and tendon at lower leg level (S86)")S83 Dislocation and sprain of joints and ligaments of knee ("strain of muscle, fascia and tendon of lower leg (S86.-)")S86.902S Unspecified injury of unspecified muscle(s) and tendon(s) at lower leg level, left leg, sequelaS86.909 Unspecified injury of unspecified muscle(s) and tendon(s) at lower leg level, unspecified legS86.909A Unspecified injury of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg, initial encounterS86.909D Unspecified injury of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg, subsequent encounterS86.909S Unspecified injury of unspecified muscle(s) and tendon(s) at lower leg level, unspecified leg, sequelaS86.91 Strain of unspecified muscle and tendon at lower leg level (this code)S86.911 Strain of unspecified muscle(s) and tendon(s) at lower leg level, right legS86.911A Strain of unspecified muscle(s) and tendon(s) at lower leg level, right leg, initial encounterS86.911D Strain of unspecified muscle(s) and tendon(s) at lower leg level, right leg, subsequent encounterS86.911S Strain of unspecified muscle(s) and tendon(s) at lower leg level, right leg, sequelaS86.912 Strain of unspecified muscle(s) and tendon(s) at lower leg level, left leg