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