ICD-10-CM > S00-T88 > S40-S49 > S46 > S46.3 > S46.32 > S46.321 S46.321 Laceration of muscle, fascia and tendon of triceps, right arm Non-Billable/Non-Specific Codes S46.321A..., initial encounterS46.321D..., subsequent encounterS46.321S..., sequela