ICD-10-CM > S00-T88 > S50-S59 > S55 > S55.1 > S55.10 > S55.109 S55.109 Unspecified injury of radial artery at forearm level, unspecified arm Non-Billable/Non-Specific Codes S55.109A..., initial encounterS55.109D..., subsequent encounterS55.109S..., sequela