Compound fracture - ulna | Fracture Monteggia's, closed | Fracture of coronoid process of ulna, closed | Fracture of coronoid process of ulna, open | Fracture of distal end of ulna (alone), closed | Fracture of distal end of ulna (alone), open | Fracture of olecranon process of ulna, closed | Fracture of olecranon process of ulna, open | Fracture of shaft of ulna (alone), closed | Fracture of shaft of ulna (alone), open | Fracture of unspecified part of ulna (alone), closed | Fracture of unspecified part of ulna (alone), open | Fracture, Monteggia's open | Fractured olecranon | Fractured ulnar styloid process | Olecranon fracture | Other and unspecified closed fractures of proximal end of ulna (alone) | Other and unspecified open fractures of proximal end of ulna (alone) | Ulna fracture | Ulna Fractures | Fracture, Ulna | Fractures, Ulna | Ulna Fracture |