Nondisp osteochon fx r patella, 7thM

This code signifies a non-displaced fracture involving both the bone and cartilage of the right kneecap, specifically when the fracture was initially an open fracture (Type I or II) and has subsequently failed to heal properly. "Nonunion" indicates that the bone fragments have not fused together after a reasonable healing period.

Apply this code for follow-up encounters where a patient is being treated for a right patellar osteochondral fracture that was initially open, and the fracture site has not united. This would be used when the patient is still receiving active treatment for the nonunion, such as surgical intervention or prolonged immobilization.

• Ensure documentation clearly specifies "nonunion" and the initial open nature (Type I or II) of the fracture.
• Verify laterality (right patella) and the non-displaced nature of the osteochondral fracture.
• This "M" seventh character indicates a subsequent encounter for an open fracture with nonunion, differentiating it from initial care or routine healing.