Q23 - Congenital malformations of aortic and mitral valves Q23 - Congenital malformations of aortic and mitral valves
Q23.0 - Congenital stenosis of aortic valve Q23.1 - Congenital insufficiency of aortic valve Q23.2 - Congenital mitral stenosis Q23.3 - Congenital mitral insufficiency Q23.4 - Hypoplastic left heart syndrome Q23.8 - Other congenital malformations of aortic and mitral valves Q23.9 - Congenital malformation of aortic and mitral valves, unspecified