Secundum atrial septal defect

Instruction Source: Q21.11

Secundum atrial septal defect

Instruction Source: Q21.1

Atrial septal defect

Excludes 2 (Not Included Here)

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

Instruction Source: Q21

Congenital malformations of cardiac septa

Excludes 1 (Mutually Exclusive)

• acquired cardiac septal defect (I51.0)

Instruction Source: Q20-Q28

Congenital malformations of the circulatory system (Q20-Q28)

Instruction Source: Q00-QA1

Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders

Excludes 2 (Not Included Here)

• inborn errors of metabolism (E70-E88)

Clinical Notes

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