CPT® Code 27818

The CPT® Code 27818 refers to the closed treatment of a trimalleolar ankle fracture, which involves the manipulation of the fracture fragments. A trimalleolar fracture is characterized by the involvement of three specific bony projections known as malleoli: the lateral malleolus, which is the outer prominence of the ankle located on the fibula; the medial malleolus, the inner prominence also on the fibula; and the posterior malleolus, which is the bony process located at the back of the tibia. This type of fracture typically occurs due to significant trauma to the ankle, resulting in the displacement of the bone fragments. During the procedure, the physician performs a closed reduction, which means that the fracture is manipulated back into its proper alignment without the need for surgical incisions. Prior to the treatment, separate radiographs (X-rays) are obtained to confirm the presence and extent of the fracture, as well as to assess the alignment of the bone fragments. A thorough neurovascular examination is also conducted to ensure that the nerves and blood vessels surrounding the injury are intact and functioning properly. Following the manipulation of the fracture, a cast or brace is applied to immobilize the ankle, promoting proper healing and alignment of the fractured bones. This procedure is distinct from CPT® Code 27816, which pertains to the treatment of nondisplaced or minimally displaced fractures that do not require manipulation.