S52.23 - Oblique fracture of shaft of ulna S52.2 - Fracture of shaft of ulna S52.23 - Oblique fracture of shaft of ulna S52.231 - Displaced oblique fracture of shaft of right ulna S52.232 - Displaced oblique fracture of shaft of left ulna S52.233 - Displaced oblique fracture of shaft of unspecified ulna S52.234 - Nondisplaced oblique fracture of shaft of right ulna S52.235 - Nondisplaced oblique fracture of shaft of left ulna S52.236 - Nondisplaced oblique fracture of shaft of unspecified ulna