Date: June 2000
Undergoing surgery for disease of the aorta needing excision and surgical replacement of a portion of the diseased aorta with a graft. For this definition, aorta means the thoracic and abdominal aorta but not its branches. In addition we will also cover any surgery, including key hole surgery, to correct any narrowing, dissection or aneurysm of the thoracic or abdominal aorta.
Date: January 2000
The undergoing of surgery to correct any narrowing, dissection or aneurysm of the thoracic or abdominal aorta.
No change since July 1999