Congenital malformations of aortic and mitral valves (Q23)

Browse all the diagnosis codes used for congenital malformations of aortic and mitral valves (q23). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.

Clinical Information

Hypoplastic Left Heart Syndrome - A condition caused by underdevelopment of the whole left half of the heart. It is characterized by hypoplasia of the left cardiac chambers (HEART ATRIUM; HEART VENTRICLE), the AORTA, the AORTIC VALVE, and the MITRAL VALVE. Severe symptoms appear in early infancy when DUCTUS ARTERIOSUS closes.

Quadricuspid Aortic Valve - Congenital malformation where the AORTIC VALVE has four instead of three cusps. It is often associated with AORTIC REGURGITATION and AORTIC VALVE STENOSIS.