Oth fx shaft of unsp fibula, subs for clos fx w malunion

This code signifies a healed but improperly aligned fracture of the fibula shaft, where the initial injury was a closed fracture. "Malunion" indicates that the bone segments have joined in a position that is not anatomically correct, potentially leading to functional impairment or deformity. This specific code is used during the recovery phase after the initial treatment.

Apply this code when a patient presents for follow-up care of a fibula shaft fracture that has healed with malunion, and the original fracture was closed. This would include scenarios where imaging confirms malunion and the patient is undergoing rehabilitation, further evaluation, or planning for corrective surgery. It is appropriate for subsequent encounters after the initial fracture treatment.

• Ensure documentation clearly states "malunion" and specifies the fibula shaft.
• Verify the original fracture was closed; open fractures with malunion would use a different code.
• This code is for subsequent encounters, not the initial treatment of the fracture or the initial diagnosis of malunion.