Q21.10 - Atrial septal defect, unspecified
- Applicable to Atrial septal defect, unspecified
- The 2025 edition of ICD10-CM Q21.10 became effective on October 1, 2024.
- This is the American ICD10-CM version of Q21.10 - other international versions of ICD10 Q21.10 may differ.
- Q21.10 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The following codes above Q21.10 contain annotation back-references that may be applicable to Q21.10:
Chapter: Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities
Section: Q20-Q28 Congenital malformations of the circulatory system
Category: Q21 Congenital malformations of cardiac septa
Billable/Specific Code
Browse other similar CM codes
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
Please, give attribution to our website icd-10code.com