ICD-10-CM Diagnosis Code (2025)
Official Description for Q21.23
Complete atrioventricular septal defect
Coding Notes & Guidelines for Q21.23
Inclusion Terms
- Common atrioventricular canal
- Common atrioventricular septal defect
- Common endocardial cushion defect
- Ostium primum atrial septal defect (type I) with common atrioventricular valve and a moderate or larger inlet VSD
Parent Code (Less Specific):
About ICD-10-CM Code Q21.23 (Complete atrioventricular septal defect)
ICD-10-CM code Q21.23 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Q21.23 became effective on October 1, 2024.
This page provides detailed information about Q21.23 - Complete atrioventricular septal defect. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Complete atrioventricular septal defect.