ICD-10-CM Book 2026 Edition
Chapters ICD-10-CM Book Table of Content /
chapter 17 Q00-QA0 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders /
Q20-Q28 Congenital malformations of the circulatory system /
Q21 Congenital malformations of cardiac septa
Billable ICD-10-CM Code Q21.21
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Q21.21
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Partial atrioventricular septal defect
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| Incomplete atrioventricular canal | |||
| Incomplete atrioventricular septal defect | |||
| Incomplete endocardial cushion defect | |||
| Ostium primum atrial septal defect (type I) with separate atrioventricular valves | |||
| Partial atrioventricular canal | |||
| Partial endocardial cushion defect |