S52.6Non-Billable (Header)Fracture of lower end of ulnaChild CodesS52.60Unspecified fracture of lower end of ulnaS52.61Fracture of ulna styloid processS52.62Torus fracture of lower end of ulnaS52.69Other fracture of lower end of ulnaCode Hierarchy└S52Fracture of forearm└S52.6Fracture of lower end of ulna└S52.6Fracture of lower end of ulna