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