Category Q23
Congenital malformations of aortic and mitral valves
Clinical Classification Guidelines
Specific Diagnosis Codes
Congenital stenosis of aortic valve
Q23.0
Congenital insufficiency of aortic valve
Q23.1
Congenital mitral stenosis
Q23.2
Congenital mitral insufficiency
Q23.3
Hypoplastic left heart syndrome
Q23.4
Other congenital malformations of aortic and mitral valves
Q23.8
Bicuspid aortic valve
Q23.81
Congenital mitral valve cleft leaflet
Q23.82
Other congenital malformations of aortic and mitral valves
Q23.88
Congenital malformation of aortic and mitral valves, unspecified
Q23.9