ICD-10-CM > S00-T88 > S50-S59 > S50 > S50.9 > S50.91 S50.91 Unspecified superficial injury of forearm Non-Billable/Non-Specific Codes S50.911Unspecified superficial injury of right forearmS50.911A..., initial encounterS50.911D..., subsequent encounterS50.911S..., sequelaS50.912Unspecified superficial injury of left forearmS50.912A..., initial encounterS50.912D..., subsequent encounterS50.912S..., sequelaS50.919Unspecified superficial injury of unspecified forearmS50.919A..., initial encounterS50.919D..., subsequent encounterS50.919S..., sequela