CPT® Code 29805

A diagnostic arthroscopy of the shoulder, identified by CPT® Code 29805, is a minimally invasive surgical procedure that allows for the examination of the shoulder joint. This procedure can be performed with or without a synovial biopsy, which involves taking a small sample of the joint lining for further analysis. During the procedure, the patient is typically positioned either in a lateral decubitus position, where they lie on their side with the arm suspended, or in a beach chair position, which allows for better access to the shoulder. To facilitate the examination, skin traction is applied to the arm, ensuring that the shoulder joint is adequately exposed.

Once the appropriate position is established, incisions are made at the anterior and posterior portals of the shoulder joint. A sterile saline solution is then introduced into the joint space to expand it, providing a clearer view of the internal structures. Arthroscopic instruments are inserted through these incisions, enabling the surgeon to conduct a thorough diagnostic examination of the shoulder joint. The procedure involves assessing various components, including the humeral head and glenoid fossa for any osteochondral defects, as well as the anterior and posterior labrum for signs of fraying or instability.

Additionally, the anterior joint capsule, subscapularis, and glenohumeral ligaments are evaluated for potential tears, adhesions, or fraying. The biceps tendon is also inspected for any signs of tears, inflammation, or degenerative changes. The rotator cuff, particularly the supraspinatus and infraspinatus tendons, is examined, along with the subacromial space. Finally, the posterior aspect of the glenohumeral joint, including the axillary pouch and posterior recess, is assessed. Upon completion of the diagnostic evaluation, the instruments are carefully removed, excess fluid is drained from the joint, the incisions are closed, and a sterile dressing is applied to protect the surgical site.