Oth fracture of shaft of unsp ulna, init for opn fx type I/2

This code signifies an open fracture of the ulna's shaft, not otherwise specified, where the bone has broken through the skin or there's a wound communicating with the fracture site. The "initial encounter" indicates the patient is receiving active treatment for this acute injury.

Apply this code for a patient presenting with a newly diagnosed open fracture of the ulnar shaft, where the specific location on the shaft is not documented, and the open wound is classified as Type I or II (e.g., a small puncture wound or a laceration less than 1 cm without significant soft tissue damage). This is used for the initial surgical repair or other definitive treatment.

• Ensure documentation specifies an "open" fracture and the encounter is "initial" for active treatment.
• Confirm the fracture is located on the ulna's shaft and not another part of the bone (e.g., olecranon, styloid process).
• If the specific type of open fracture (e.g., Type I, II, III) is not documented, but it's clearly open, this code is appropriate for Type I or II.