Nondisp seg fx shaft of ulna, unsp arm, 7thP

This code describes a situation where a patient has a fracture in the shaft of their ulna that is broken in at least two places (segmental) but the bone fragments are still in their normal alignment (nondisplaced). This specific encounter is for follow-up care of a previously treated closed fracture that has healed incorrectly, resulting in a malunion. The affected arm is not specified.

This code is appropriate for documenting subsequent encounters for a patient who sustained a closed, nondisplaced segmental fracture of the ulnar shaft, and during the healing process, the bone fragments united in an anatomically incorrect position (malunion). This would be used when the patient is seen for ongoing management, assessment, or treatment related to this malunion.

• Ensure documentation clearly states "subsequent encounter" and identifies a malunion of a previously closed fracture.
• Verify the fracture is specifically of the ulnar shaft and is described as "segmental" and "nondisplaced."
• If the affected arm (left or right) is known, a more specific code should be used.