Q23 - Congenital malformations of aortic and mitral valves
Q23.0 - Congenital stenosis of aortic valve
InclusionTerm:
-Congenital aortic atresia
-Congenital aortic stenosis NOS
Excludes 1:
-congenital stenosis of aortic valve in hypoplastic left heart syndrome Q23.4)
-congenital subaortic stenosis Q24.4)
-supravalvular aortic stenosis (congenital) Q25.3)