ICD-10-CM > S00-T88 > S20-S29 > S25 > S25.1 > S25.12 S25.12 Major laceration of innominate or subclavian artery Non-Billable/Non-Specific Applicable To Complete transection of innominate or subclavian arteryTraumatic rupture of innominate or subclavian artery Codes S25.121Major laceration of right innominate or subclavian arteryS25.121A..., initial encounterS25.121D..., subsequent encounterS25.121S..., sequelaS25.122Major laceration of left innominate or subclavian arteryS25.122A..., initial encounterS25.122D..., subsequent encounterS25.122S..., sequelaS25.129Major laceration of unspecified innominate or subclavian arteryS25.129A..., initial encounterS25.129D..., subsequent encounterS25.129S..., sequela