ICD-10-CM > S00-T88 > S50-S59 > S50 > S50.1 S50.1 Contusion of forearm Non-Billable/Non-Specific Codes S50.10Contusion of unspecified forearmS50.10XA..., initial encounterS50.10XD..., subsequent encounterS50.10XS..., sequelaS50.11Contusion of right forearmS50.11XA..., initial encounterS50.11XD..., subsequent encounterS50.11XS..., sequelaS50.12Contusion of left forearmS50.12XA..., initial encounterS50.12XD..., subsequent encounterS50.12XS..., sequela