CPT coding for the cardiovascular system

1.What code should you report for an excision of a pericardial cyst or tumor?

2.What code should you report for a revision or relocation of a skin pocket for a pacemaker?

3.What code should you report for a repair of a coronary arteriovenous or arteriocardiac chamber fistula; with cardiopulmonary bypass?

4.What code should you report for a shunt; ascending aorta to pulmonary artery (Waterston type operation)?

5.What code should you report for a repair of a thoracoabdominal aneurysm with graft, with or without cardiopulmonary bypass?