Oth fx shaft of rad, left arm, subs for clos fx w malunion

This code signifies a fracture of the main part (shaft) of the left radius bone that is currently healing but has united in an abnormal position (malunion). This particular encounter is for follow-up care of the closed fracture, where the skin was not broken.

Apply this code when a patient presents for ongoing management of a left radial shaft fracture that has healed incorrectly, and the fracture was initially closed. This would include scenarios such as physical therapy for a malunited fracture, or follow-up imaging to assess the degree of malunion.

• Ensure the documentation specifies "left arm" and "shaft of radius" to differentiate from other forearm fractures.
• Confirm the fracture is explicitly documented as "closed" and has developed "malunion" for accurate code selection.
• Verify this is a "subsequent encounter" for ongoing care, not the initial treatment of the fracture.