Question: Our patient had a fractured lateral malleolus and ruptured ligaments on the medial side. The surgeon performed open treatment and applied a cast. I believe we should report 27792, but the surgeon thinks 27814 is the correct code. Who is right? Answer: The surgeon is right. Your patient had a bimalleolar equivalent fracture (824.4-824.5), which is a fracture of the lateral malleolus with rupture of the deltoid ligament at its attachment on the medial malleolus.
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You should report 27814 (Open treatment of bimalleolar ankle fracture, with or without internal or external fixation) for this procedure.