Home > 2013 ICD-10-CM Diagnosis Codes > Congenital malformations, deformations and chromosomal abnormalities Q00-Q99 > Congenital malformations of the circulatory system Q20-Q28 > Congenital malformations of cardiac septa Q21-
2013 ICD-10-CM Diagnosis Code Q21.2
Atrioventricular septal defect
Q21.2 is a billable ICD-10-CM code that can be used to specify a diagnosis.
On October 1, 2014 ICD-10-CM will replace ICD-9-CM in the United States, therefore, Q21.2 and all ICD-10-CM diagnosis codes should only be used for training or planning purposes until then.
Common atrioventricular canal
Endocardial cushion defect
Ostium primum atrial septal defect (type I)
Between 1999-2007 there were 502 deaths in the United States where ICD-10 Q21.2 was indicated as the underlying cause of death [source: cdc.gov]
ICD-10 Q21.2 as underlying cause of death data broken down by: gender, age, race, year
ICD-10-CM Q21.2 is part of Diagnostic Related Group(s) (MS-DRG v28.0):
306 Cardiac congenital & valvular disorders with mcc
307 Cardiac congenital & valvular disorders without mcc