Q21

Non-Billable

Congenital malformations of cardiac septa

Q21 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

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