Unsp fx shaft of unsp fibula, subs for clos fx w delay heal

This code signifies a fracture of the fibula's shaft where the specific location on the shaft is not documented, and the fracture type is unspecified. It is used when the patient is in the healing phase following initial treatment for a closed fracture, but the healing process is taking longer than expected.

Apply this code for follow-up encounters when a patient presents with a previously treated, closed fibular shaft fracture that is demonstrating delayed union. This would typically be after the initial cast or immobilization has been applied and the physician is monitoring the slower-than-anticipated bone healing.

• Ensure documentation specifies "delayed healing" for a closed fracture of the fibula shaft.
• Verify that the encounter is for follow-up care, not the initial treatment.
• Do not use if the fracture site on the fibula shaft is specified (e.g., proximal, distal).