ICD-10-CM › Q00-QA1 › Q20-Q28 › Q21.2 Atrioventricular septal defect › Q21.23
Q21.23
Complete atrioventricular septal defect
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2023 to now.
- FY2023 Added to the code set Complete atrioventricular septal defect
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from Q21 Congenital malformations of cardiac septa
Excludes1 - never coded here
- acquired cardiac septal defect (I51.0)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Vestige, vestigial
- Deformity > atrial septal
- Deformity > heart > septum > auricular
- Defect, defective > septal NOS > atrial
- Common > atrioventricular canal
- Canal > atrioventricular > common
- Ostium > atrioventriculare commune
- Defect, defective > cushion, endocardial > common
- Defect, defective > atrioventricular > septal > common
- Defect, defective > atrioventricular > septal > complete
- Persistence, persistent > ostium > atrioventriculare commune
- Defect, defective > atrial septal > ostium primum type > with > common atrioventricular valves and moderate or larger inlet VSD
Codes in the same group
| Code | Description | Status |
|---|---|---|
| Q21.20 | Atrioventricular septal defect, unspecified as to partial or complete | Valid |
| Q21.21 | Partial atrioventricular septal defect | Valid |
| Q21.22 | Transitional atrioventricular septal defect | Valid |