Nondisp osteochon fx l patella, 7thR

This code signifies a non-displaced fracture involving both the bone and cartilage of the left kneecap, specifically when the patient is receiving follow-up care for a severe open fracture (Type IIIA, IIIB, or IIIC) that has healed improperly. Malunion indicates that the fracture fragments have united in an unsatisfactory position, leading to potential functional impairment.

Apply this code when documenting ongoing treatment, such as physical therapy, follow-up imaging, or surgical planning, for a patient with a previously diagnosed severe open patellar fracture that has healed with malunion. This code is appropriate for encounters occurring after the initial treatment of the acute fracture.

• Ensure documentation clearly specifies "malunion" and the type of open fracture (IIIA, IIIB, or IIIC) for accurate code assignment.
• Verify laterality (left patella) is explicitly stated in the medical record.
• This code is for subsequent encounters; do not use for the initial treatment of the acute fracture or for nonunion.