ICD-10-CM > S00-T88 > S40-S49 > S45 > S45.9 > S45.90 > S45.909 S45.909 Unspecified injury of unspecified blood vessel at shoulder and upper arm level, unspecified arm Non-Billable/Non-Specific Codes S45.909A..., initial encounterS45.909D..., subsequent encounterS45.909S..., sequela