ICD-10-CM code "Q21.1": Atrial septal defect (2024)

Overview

ICD-10 CodeQ21.1
DescriptionAtrial septal defect
Hierarchy
  1. Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  2. Congenital malformations of the circulatory system (Q20-Q28)
  3. Congenital malformations of cardiac septa (Q21)
  4. Atrial septal defect (Q21.1)
Billable statusNon billable code

Excludes

  1. Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

    Type 2inborn errors of metabolism (E70-E88)

  2. Congenital malformations of the circulatory system (Q20-Q28)
  3. Congenital malformations of cardiac septa (Q21)

    Type 1acquired cardiac septal defect (I51.0)

  4. Atrial septal defect (Q21.1)

    Type 2ostium primum atrial septal defect (type I) (Q21.20)

Includes

  1. Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  2. Congenital malformations of the circulatory system (Q20-Q28)
  3. Congenital malformations of cardiac septa (Q21)
  4. Atrial septal defect (Q21.1)

Subcategories