ICD-10-CM > S00-T88 > S40-S49 > S46 > S46.0 > S46.02 > S46.021 S46.021 Laceration of muscle(s) and tendon(s) of the rotator cuff of right shoulder Non-Billable/Non-Specific Codes S46.021A..., initial encounterS46.021D..., subsequent encounterS46.021S..., sequela