ICD-10-CM > S00-T88 > S40-S49 > S45 > S45.9 > S45.99 > S45.991 S45.991 Other specified injury of unspecified blood vessel at shoulder and upper arm level, right arm Non-Billable/Non-Specific Codes S45.991A..., initial encounterS45.991D..., subsequent encounterS45.991S..., sequela