S52.9Non-Billable (Header)Unspecified fracture of forearmChild CodesS52.90Unspecified fracture of unspecified forearmS52.91Unspecified fracture of right forearmS52.92Unspecified fracture of left forearmCode Hierarchy└S52Fracture of forearm└S52.9Unspecified fracture of forearm└S52.9Unspecified fracture of forearm