ICD-10-CM > S00-T88 > S40-S49 > S45 > S45.3 > S45.30 > S45.309 S45.309 Unspecified injury of superficial vein at shoulder and upper arm level, unspecified arm Non-Billable/Non-Specific Codes S45.309A..., initial encounterS45.309D..., subsequent encounterS45.309S..., sequela