--- S52.021 Displaced fracture of olecranon process without intraarticular extension of right ulna

--- S52.022 Displaced fracture of olecranon process without intraarticular extension of left ulna

--- S52.023 Displaced fracture of olecranon process without intraarticular extension of unspecified ulna

--- S52.024 Nondisplaced fracture of olecranon process without intraarticular extension of right ulna

--- S52.025 Nondisplaced fracture of olecranon process without intraarticular extension of left ulna

--- S52.026 Nondisplaced fracture of olecranon process without intraarticular extension of unspecified ulna