ICD-10-CM > S00-T88 > S40-S49 > S45 > S45.8 > S45.89 > S45.899 S45.899 Other specified injury of other specified blood vessels at shoulder and upper arm level, unspecified arm Non-Billable/Non-Specific Codes S45.899A..., initial encounterS45.899D..., subsequent encounterS45.899S..., sequela