Q21.22 - Transitional atrioventricular septal defect
- Applicable to Transitional atrioventricular septal defect
- The 2025 edition of ICD10-CM Q21.22 became effective on October 1, 2024.
- This is the American ICD10-CM version of Q21.22 - other international versions of ICD10 Q21.22 may differ.
- Q21.22 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Inclusion Term
- Intermediate atrioventricular canal
- Intermediate atrioventricular septal defect
- Intermediate endocardial cushion defect
- Ostium primum atrial septal defect (type I) with separate atrioventricular valves and a small or restrictive inlet VSD
- Transitional atrioventricular canal
- Transitional endocardial cushion defect
The following codes above Q21.22 contain annotation back-references that may be applicable to Q21.22:
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
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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