Q21.2

Atrioventricular septal defect

Non-billable header

Q21.2 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Applicable to

  • Atrioventricular canal defect
  • Endocardial cushion defect
  • Ostium primum atrial septal defect (type I)

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.

  • inborn errors of metabolism (E70-E88) (from Q21)

Also known as

  • Atrioventricular canal defect
  • Endocardial cushion defect
  • Ostium primum atrial septal defect (type I)

Parent code

  • Q21Congenital malformations of cardiac septaHeader

More specific codes Q21.2

  • Q21.20Atrioventricular septal defect, unspecified as to partial or completeBillable
  • Q21.21Partial atrioventricular septal defectBillable
  • Q21.22Transitional atrioventricular septal defectBillable
  • Q21.23Complete atrioventricular septal defectBillable

Related codes

  • Q21.0Ventricular septal defectBillable
  • Q21.1Atrial 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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