ICD-10-CM > S00-T88 > S40-S49 > S46 > S46.3 > S46.32 S46.32 Laceration of muscle, fascia and tendon of triceps Non-Billable/Non-Specific Codes S46.321Laceration of muscle, fascia and tendon of triceps, right armS46.321A..., initial encounterS46.321D..., subsequent encounterS46.321S..., sequelaS46.322Laceration of muscle, fascia and tendon of triceps, left armS46.322A..., initial encounterS46.322D..., subsequent encounterS46.322S..., sequelaS46.329Laceration of muscle, fascia and tendon of triceps, unspecified armS46.329A..., initial encounterS46.329D..., subsequent encounterS46.329S..., sequela