CPT® Code 29877

A surgical arthroscopy of the knee, identified by CPT® Code 29877, involves the use of a specialized instrument called an arthroscope to visualize and treat conditions affecting the knee joint. This procedure specifically includes the debridement or shaving of articular cartilage, a process known as chondroplasty. Chondroplasty is indicated for patients experiencing early arthritic changes, damage to the articular surface such as arthritic condyle, chondral fractures, or chondromalacia, which is the softening and breakdown of cartilage. The procedure is performed through small incisions, known as portals, made on the medial and lateral sides of the knee joint. The arthroscope, equipped with a camera, allows the surgeon to examine the interior of the knee for any signs of disease, injury, or infection. Following the examination, a motorized shaver is utilized to remove any irregularities in the articular cartilage, thereby smoothing the surface to promote better joint function and alleviate pain. After the debridement is completed, the instruments are withdrawn, and the incisions are closed, followed by the application of a compressive dressing to support the healing process.