Q21.1

Atrial septal defect

Non-billable header

Q21.1 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes (from Q21)

  • Note: Codes from this chapter are not for use on maternal records

Excludes1

Not coded here — never report together with this code.

  • acquired cardiac septal defect (I51.0) (from Q21)

Excludes2

Not included here — may be reported together when both conditions exist.

  • ostium primum atrial septal defect (type I) (Q21.20)
  • inborn errors of metabolism (E70-E88) (from Q21)

Parent code

  • Q21Congenital malformations of cardiac septaHeader

More specific codes Q21.1

  • Q21.10Atrial septal defect, unspecifiedBillable
  • Q21.11Secundum atrial septal defectBillable
  • Q21.12Patent foramen ovaleBillable
  • Q21.13Coronary sinus atrial septal defectBillable
  • Q21.14Superior sinus venosus atrial septal defectBillable
  • Q21.15Inferior sinus venosus atrial septal defectBillable
  • Q21.16Sinus venosus atrial septal defect, unspecifiedBillable
  • Q21.19Other specified atrial septal defectBillable

Related codes

  • Q21.0Ventricular septal defectBillable
  • Q21.2Atrioventricular septal defectHeader
  • Q21.3Tetralogy of FallotBillable
  • Q21.4Aortopulmonary septal defectBillable
  • Q21.8Other congenital malformations of cardiac septaBillable
  • Q21.9Congenital malformation of cardiac septum, unspecifiedBillable

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