ICD-10-CM > S00-T88 > S50-S59 > S55 > S55.9 > S55.90 > S55.902 S55.902 Unspecified injury of unspecified blood vessel at forearm level, left arm Non-Billable/Non-Specific Codes S55.902A..., initial encounterS55.902D..., subsequent encounterS55.902S..., sequela