Q23.0: Congenital stenosis of aortic valve inclusionTerm 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) |