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Q21.1

Non-Billable (Header)

Atrial septal defect

Excludes 2 — Not included here, may code separately

  • ostium primum atrial septal defect (type I) (Q21.20)

Child Codes

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

Code Hierarchy

└Q21Congenital malformations of cardiac septa└Q21.1Atrial septal defect
└Q21.1Atrial septal defect

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