Displ spiral fx shaft of ulna, unsp arm, 7thQ

This code describes a situation where a patient has a malunion of a previously treated open spiral fracture of the shaft of the ulna. The fracture was initially an open fracture of either Type I or Type II, and the specific arm affected is not documented. Malunion indicates that the bone has healed in an incorrect or deformed position.

Use this code when documenting a follow-up visit for a patient whose open spiral ulna shaft fracture (Type I or II) has healed improperly, resulting in a malunion. This applies to encounters where the malunion is being assessed, monitored, or managed, and the affected arm is not specified in the medical record.

• Ensure documentation clearly states "malunion" and specifies the original fracture as an open spiral fracture of the ulna shaft, Type I or II.
• Verify that this is a subsequent encounter, not the initial treatment for the fracture.
• Only use this code when the laterality (left or right arm) is not documented.