Date: April 2002
Definition:
Undergoing from medical necessity: minimally invasive surgery to replace or repair an abnormal heart valve; surgery (including minimally invasive and open heart surgery) to repair the heart wall damaged by coronary artery disease: or surgery (including minimally invasive and open heart sugery) to correct any narrowing dissection or aneurysm of the thoracic or abdominal aorta.
No change since July 2001