ICD-10-CM > S00-T88 > S20-S29 > S25 > S25.3 > S25.32 > S25.321 S25.321 Major laceration of right innominate or subclavian vein Non-Billable/Non-Specific Codes S25.321A..., initial encounterS25.321D..., subsequent encounterS25.321S..., sequela