ICD-10-CM > S00-T88 > S50-S59 > S50 > S50.9 > S50.91 > S50.912 S50.912 Unspecified superficial injury of left forearm Non-Billable/Non-Specific Codes S50.912A..., initial encounterS50.912D..., subsequent encounterS50.912S..., sequela