ICD-10-CM Book 2024 Edition
Chapters ICD-10-CM Book Table of Content /
chapter 17 Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities /
Q20-Q28 Congenital malformations of the circulatory system /
Q21 Congenital malformations of cardiac septa
Billable ICD-10-CM Code Q21.20
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Q21.20
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Atrioventricular septal defect, unspecified as to partial or complete
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| Atrioventricular canal, NOS | |||
| Endocardial cushion defect NOS | |||
| Ostium primum atrial septal defect (type I) NOS |