Table 2.

Outcome Groups and ICD-10 Codes Included in the Analysis

Outcome Group	ICD-10 Code(s)
Congenital malformations of cardiac chambers and connections	Q20
Congenital malformations of cardiac septa	Q21
Congenital malformations of pulmonary and tricuspid valves	Q22
Congenital malformations of aortic and mitral valves	Q23
Congenital malformations of great arteries and veins	Q25 and Q26
Ventricular septal defect	Q21.0
Atrial septal defect	Q21.1
Tetralogy of Fallot	Q21.3
Congenital pulmonary valve stenosis	Q22.1
Coarctation of aorta	Q25.1

Abbreviation: ICD-10, International Classification of Diseases, Tenth Revision.