CPT® Code 24363

The procedure described by CPT® Code 24363 refers to an arthroplasty of the elbow, specifically involving the replacement of the distal humerus and proximal ulna with prosthetic components, commonly known as a total elbow arthroplasty. This surgical intervention is indicated for patients suffering from severe elbow joint conditions, such as arthritis or trauma, that result in significant pain and loss of function. The procedure begins with a skin incision made over the elbow joint, either on the medial or lateral side of the olecranon process, which is the bony prominence of the ulna at the elbow. Following the incision, the surgeon carefully dissects the soft tissues to expose the underlying structures, including the ulnar nerve, which is identified and protected throughout the procedure to prevent nerve damage. The surgical steps involve meticulous dissection to expose the lateral epicondyle of the humerus and the surrounding tissues. The triceps muscle is mobilized, and the anconeus muscle is elevated to gain access to the elbow joint. The procedure continues with the removal of the posterior joint capsule and the roof of the olecranon, allowing for the preparation of the humeral canal and the ulnar canal for the placement of the prosthetic implants. The use of trial implants during the procedure ensures proper fit and alignment before the final prosthetic components are secured in place with bone cement. The surgery concludes with the reattachment of ligaments and tendons, medialization of the triceps, and careful closure of the incision layers, ensuring that the arm is placed in a splint for stabilization during the initial recovery phase. This comprehensive approach aims to restore function and alleviate pain in patients with debilitating elbow conditions.