Q21 — ICD-10-CM Diagnosis Codes

• Q21 Congenital malformations of cardiac septa
• Q21.0 Ventricular septal defect billable
• Q21.1 Atrial septal defect
• Q21.10 Atrial septal defect, unspecified billable
• Q21.11 Secundum atrial septal defect billable
• Q21.12 Patent foramen ovale billable
• Q21.13 Coronary sinus atrial septal defect billable
• Q21.14 Superior sinus venosus atrial septal defect billable
• Q21.15 Inferior sinus venosus atrial septal defect billable
• Q21.16 Sinus venosus atrial septal defect, unspecified billable
• Q21.19 Other specified atrial septal defect billable
• Q21.2 Atrioventricular septal defect
• Q21.20 Atrioventricular septal defect, unspecified as to partial or complete billable
• Q21.21 Partial atrioventricular septal defect billable
• Q21.22 Transitional atrioventricular septal defect billable
• Q21.23 Complete atrioventricular septal defect billable
• Q21.3 Tetralogy of Fallot billable
• Q21.4 Aortopulmonary septal defect billable
• Q21.8 Other congenital malformations of cardiac septa billable
• Q21.9 Congenital malformation of cardiac septum, unspecified billable