ICD-10-CM > S00-T88 > S40-S49 > S45 > S45.2 > S45.20 > S45.209 S45.209 Unspecified injury of axillary or brachial vein, unspecified side Non-Billable/Non-Specific Codes S45.209A..., initial encounterS45.209D..., subsequent encounterS45.209S..., sequela