CPT® codes for arteries and veins

1.What is the correct CPT® code for open repair of infrarenal aortic aneurysm or dissection, plus repair of associated arterial trauma, following unsuccessful endovascular repair; aorto-bifemoral prosthesis?

2.What is the correct CPT code bypass graft, with vein; femoral-popliteal?

3.What is the correct CPT code for exploration for postoperative hemorrhage, thrombosis or infection of the abdomen?

4.What is the correct CPT code for introduction of a catheter into the right heart or main pulmonary artery?

5.What is the correct CPT code for a patient who undergoes a direct repair of aneurysm and graft insertion without a patch graft for an aneurysm of the common iliac artery?