S52.036 - Nondisplaced fracture of olecranon process with intraarticular extension of unspecified ulna S52.0 - Fracture of upper end of ulna S52.03 - Fracture of olecranon process with intraarticular extension of ulna S52.036 - Nondisplaced fracture of olecranon process with intraarticular extension of unspecified ulna