ICD-10-CM > S00-T88 > S50-S59 > S55 > S55.8 > S55.89 S55.89 Other specified injury of other blood vessels at forearm level Non-Billable/Non-Specific Codes S55.891Other specified injury of other blood vessels at forearm level, right armS55.891A..., initial encounterS55.891D..., subsequent encounterS55.891S..., sequelaS55.892Other specified injury of other blood vessels at forearm level, left armS55.892A..., initial encounterS55.892D..., subsequent encounterS55.892S..., sequelaS55.899Other specified injury of other blood vessels at forearm level, unspecified armS55.899A..., initial encounterS55.899D..., subsequent encounterS55.899S..., sequela