ICD-10-CM > S00-T88 > S20-S29 > S25 > S25.1 > S25.10 > S25.109 S25.109 Unspecified injury of unspecified innominate or subclavian artery Non-Billable/Non-Specific Codes S25.109A..., initial encounterS25.109D..., subsequent encounterS25.109S..., sequela