Q20 Congenital malformations of cardiac chambers and connectionsNon-billable header with 9 child codes.
Q20.0 Common arterial trunkQ20.1 Double outlet right ventricleQ20.2 Double outlet left ventricleQ20.3 Discordant ventriculoarterial connectionQ20.4 Double inlet ventricleQ20.5 Discordant atrioventricular connectionQ20.6 Isomerism of atrial appendagesQ20.8 Other congenital malformations of cardiac chambers and connectionsQ20.9 Congenital malformation of cardiac chambers and connections, unspecifiedI27.21 Secondary pulmonary arterial hypertension ("congenital heart disease (Q20-Q28)")P29 Cardiovascular disorders originating in the perinatal period ("congenital malformations of the circulatory system (Q20-Q28)")Z71.87 Encounter for pediatric-to-adult transition counseling ("congenital malformations of the circulatory system (Q20-Q28)")I27.21 Secondary pulmonary arterial hypertension ("congenital heart disease (Q20-Q28)")P29 Cardiovascular disorders originating in the perinatal period ("congenital malformations of the circulatory system (Q20-Q28)")Z71.87 Encounter for pediatric-to-adult transition counseling ("congenital malformations of the circulatory system (Q20-Q28)")