ICD-10 Code: Q23.4 – Hypoplastic left heart syndrome

ICD-10 code Q23.4 corresponds to Hypoplastic left heart syndrome. This code is classified under the chapter Q23 Congenital malformations of aortic and mitral valves, which is part of the Q20-Q28: Congenital malformations of the circulatory system category.

The parent chapter is Congenital malformations, deformations and chromosomal abnormalities.