Displ commnt fx shaft of ulna, unsp arm, 7thK

This code signifies a complex fracture of the ulna's shaft, specifically a comminuted (broken into multiple fragments) and displaced (bones are not aligned) break. It indicates that the patient is in a later stage of treatment for this fracture, and a nonunion (failure of the bone to heal) has been identified, with the fracture being managed non-surgically.

This code is appropriate for follow-up encounters where a patient with a previously diagnosed comminuted and displaced ulnar shaft fracture of an unspecified arm is being treated for a nonunion. This applies when the fracture was initially managed with closed reduction or casting, and the bone has failed to unite. It would be used for subsequent visits related to the ongoing management of this nonunion.

• Ensure documentation clearly specifies "unspecified arm" if laterality is not documented.
• Verify that the encounter is for a subsequent visit and that nonunion is explicitly stated or clearly implied in the clinical notes.
• Confirm that the fracture was treated with a closed method (e.g., casting, splinting) and not an open surgical procedure.