CPT® Code 27870

Ankle arthrodesis, also known as ankle fusion, is a surgical procedure aimed at alleviating pain, correcting deformities, and restoring stability in the ankle joint, particularly when these issues arise from conditions such as arthritis or structural deformities. The procedure involves a comprehensive approach where a long incision is made over the ankle to access the joint. During the surgery, careful dissection of the surrounding soft tissues is performed to protect vital neurovascular structures. The joint capsule is then exposed and incised to allow for the removal of the articular cartilage from the talar dome, distal tibial plafond, and distal fibula, along with any diseased bone that may be contributing to the patient's symptoms. In cases where there is significant bone loss, the use of bone grafts becomes necessary to facilitate proper healing and fusion of the joint. Bone grafts can be sourced from either a bone bank (allograft) or harvested from the patient's own body (autograft), typically from the iliac crest. The harvested bone is shaped and prepared to fit the surgical site, and various internal fixation devices, such as pins, screws, or plates, are employed to stabilize the bones during the healing process. In some instances, an external fixation device may be utilized. After the procedure, the soft tissues and skin are meticulously closed in layers, and the ankle is immobilized using a cast or splint to promote optimal recovery and fusion of the joint.