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Q21.2

Atrioventricular septal defect

Non-billableCategory

Code Hierarchy

Q21Q21.2

Chapter: 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders

Section: Q20-Q28 - Congenital malformations of the circulatory system

Coding Guidelines

Inclusion Terms

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

Specific Codes (4)

Q21.20Billable

Atrioventricular septal defect, unspecified as to partial or complete

Q21.21Billable

Partial atrioventricular septal defect

Q21.22Billable

Transitional atrioventricular septal defect

Q21.23Billable

Complete atrioventricular septal defect

Related Codes

Q21.0Billable

Ventricular septal defect

Q21.1Category

Atrial septal defect

Q21.3Billable

Tetralogy of Fallot

Q21.4Billable

Aortopulmonary septal defect

Q21.8Billable

Other congenital malformations of cardiac septa

Q21.9Billable

Congenital malformation of cardiac septum, unspecified

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