Q23 — ICD-10-CM Diagnosis Codes

• Q23 Congenital malformations of aortic and mitral valves
• Q23.0 Congenital stenosis of aortic valve billable
• Q23.1 Congenital insufficiency of aortic valve billable
• Q23.2 Congenital mitral stenosis billable
• Q23.3 Congenital mitral insufficiency billable
• Q23.4 Hypoplastic left heart syndrome billable
• Q23.8 Other congenital malformations of aortic and mitral valves
• Q23.81 Bicuspid aortic valve billable
• Q23.82 Congenital mitral valve cleft leaflet billable
• Q23.88 Other congenital malformations of aortic and mitral valves billable
• Q23.9 Congenital malformation of aortic and mitral valves, unspecified billable