ICD-10-CM > S00-T88 > S50-S59 > S55 > S55.9 > S55.91 > S55.919 S55.919 Laceration of unspecified blood vessel at forearm level, unspecified arm Non-Billable/Non-Specific Codes S55.919A..., initial encounterS55.919D..., subsequent encounterS55.919S..., sequela