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Q21.20

Atrioventricular septal defect, unspecified as to partial or complete

Billable

Code Hierarchy

Q21Q21.2Q21.20

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, NOS
  • Endocardial cushion defect NOS
  • Ostium primum atrial septal defect (type I) NOS

Related Codes

Q21.21Billable

Partial atrioventricular septal defect

Q21.22Billable

Transitional atrioventricular septal defect

Q21.23Billable

Complete atrioventricular septal defect

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