CPT® Code 25107

The procedure described by CPT® Code 25107 refers to an arthrotomy of the distal radioulnar joint, which includes the repair of the triangular fibrocartilage complex (TFCC). The TFCC is a critical structure in the wrist that provides stability and cushioning, particularly during wrist movements. Injuries to the TFCC often occur due to trauma, such as falling on an outstretched hand, leading to pain and dysfunction in the wrist. During this surgical procedure, the patient is positioned supine with the shoulder abducted to facilitate access to the wrist. A pneumatic tourniquet is applied to the upper arm to minimize blood loss during the operation. The surgical approach involves creating full-thickness skin flaps while carefully protecting surrounding nerves and blood vessels. The procedure entails a series of meticulous steps, including incising the extensor retinaculum, retracting the extensor pollicis longus, and dissecting down to the dorsal radioulnar ligament. The repair of the TFCC is achieved through the placement of horizontal mattress sutures, which secure the cartilage to the distal radius, ensuring proper healing and restoration of function. The joint is then flushed with normal saline before the incisions are closed in layers, completing the surgical intervention.