ICD-10-CM > S00-T88 > S80-S89 > S86 > S86.2 > S86.22 S86.22 Laceration of muscle(s) and tendon(s) of anterior muscle group at lower leg level Non-Billable/Non-Specific Codes S86.221Laceration of muscle(s) and tendon(s) of anterior muscle group at lower leg level, right legS86.221A..., initial encounterS86.221D..., subsequent encounterS86.221S..., sequelaS86.222Laceration of muscle(s) and tendon(s) of anterior muscle group at lower leg level, left legS86.222A..., initial encounterS86.222D..., subsequent encounterS86.222S..., sequelaS86.229Laceration of muscle(s) and tendon(s) of anterior muscle group at lower leg level, unspecified legS86.229A..., initial encounterS86.229D..., subsequent encounterS86.229S..., sequela