Displ commnt fx unsp patella, subs for clos fx w routn heal

This code signifies a complex break of the kneecap that has moved out of its normal alignment and shattered into multiple fragments. The "subsequent encounter" indicates that the patient is receiving follow-up care for this injury, which is currently healing as expected without complications. The "unspecified patella" means the documentation does not specify whether it's the left or right kneecap.

Use this code for follow-up visits where a patient is being monitored for a previously diagnosed displaced comminuted patellar fracture that is progressing well in its healing phase. This includes appointments for cast changes, physical therapy evaluations, or routine radiographic checks confirming satisfactory bone union. It is appropriate when the initial treatment has been rendered and the fracture is not experiencing delayed healing, nonunion, or malunion.

• Ensure documentation clearly states "subsequent encounter" and "routine healing" for a closed fracture.
• If the laterality (left/right) of the patella is specified, a more specific code should be used.
• Do not use this code for the initial treatment of the fracture or if complications in healing are noted.