ICD-10-CM > S00-T88 > S40-S49 > S45 > S45.8 > S45.80 > S45.809 S45.809 Unspecified injury of other specified blood vessels at shoulder and upper arm level, unspecified arm Non-Billable/Non-Specific Codes S45.809A..., initial encounterS45.809D..., subsequent encounterS45.809S..., sequela