CPT® Code 33120

The procedure described by CPT® Code 33120 involves the excision of an intracardiac tumor, which is a tumor located within the heart. This surgical intervention is performed with the assistance of cardiopulmonary bypass, a technique that temporarily takes over the function of the heart and lungs during the operation. The process begins with a median sternotomy, where an incision is made in the chest to provide access to the heart. Once the heart is exposed, cardiopulmonary bypass is initiated by cannulating the aorta and both the inferior and superior vena cava, allowing for the circulation of blood to be redirected through a heart-lung machine. To facilitate the surgical procedure, systemic hypothermia is induced, which involves cooling the body to protect the organs during the time the heart is stopped. An incision is then made into the specific chamber of the heart affected by the tumor, which may involve an atriotomy (opening of the atrium) or a ventriculotomy (opening of the ventricle). The tumor is carefully exposed and resected, with the goal of removing it entirely while ensuring a clear margin of healthy heart tissue. If complete resection is not feasible, the surgeon will excise as much of the tumor as possible. Following the tumor removal, any defects in the heart caused by the excision are repaired. After the procedure, the patient is gradually weaned off the cardiopulmonary bypass, and chest tubes may be placed as necessary to drain any fluid. Finally, the chest incision is closed, completing the surgical intervention.