ICD-10-CM Book 2025 Edition

Chapters ICD-10-CM Book Table of Content /
chapter 17 Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities /
Q20-Q28 Congenital malformations of the circulatory system /
Q23 Congenital malformations of aortic and mitral valves

  Billable ICD-10-CM Code Q23.0
Q23.0
Congenital stenosis of aortic valve
Congenital aortic atresia
Congenital aortic stenosis NOS
excludes1
congenital stenosis of aortic valve in hypoplastic left heart syndrome (Q23.4)
congenital subaortic stenosis (Q24.4)
supravalvular aortic stenosis (congenital) (Q25.3)