Congenital stenosis of aortic valve

**Inclusion terms:** - Congenital aortic atresia - Congenital aortic stenosis NOS

**Excludes1:** - congenital stenosis of aortic valve in hypoplastic left heart syndrome (Q23.4) - congenital subaortic stenosis (Q24.4) - supravalvular aortic stenosis (congenital) (Q25.3)