Q21.1Non-billable
Atrial septal defect
Chapter 17: Congenital malformations, deformations and chromosomal abnormalities
Excludes2
1 item
Excludes2
- •ostium primum atrial septal defect (type I) (Q21.20)
Coding Guidance
Q21.1 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail. See Related Codes to drill down to more specific billable codes for appropriate reimbursement.
Referenced in Diagnoses
Conditions that use this ICD-10 code in their documentation
View documentation for atrial septal aneurysm
atrial septal aneurysm
View TemplatesAtrial Septal Aneurysm
View documentation for interatrial septal defect
interatrial septal defect
View TemplatesInteratrial Septal Defect
View documentation for right-to-left shunt
right-to-left shunt
View TemplatesRight-to-Left Cardiac Shunt
Additional Information from Parent Codes
The following information may apply to this code from its parent codes in the ICD-10 hierarchy. This information is important for proper coding and classification.
Parent Codes Referenced:
Excludes2
1 item
Excludes2
From Q00-Q99:
- •inborn errors of metabolism (E70-E88)
Notes
1 item
Notes
From Q00-Q99:
- •Codes from this chapter are not for use on maternal records