Valve sparing aortic root surgery, with reimplantation of aortic valve and coronary arteries and replacement of the ascending aorta, including cardiopulmonary bypass, and including retrograde cardioplegia (if performed), other than a service associated with a service to which item 11704, 11705, 11707, 11714, 18260, 33824, 38816, 38828 or 45503 applies (H) (Anaes.) (Assist.)