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ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

Q21.2 – Atrioventricular septal defect

Overview

Coding Notes

Active
Billable, valid for HIPAA-covered transactions

Applicable To

Common atrioventricular canal
Endocardial cushion defect
Ostium primum atrial septal defect (type I)

GEM Conversion to ICD-9 CM

Fs: 10000 – Endocardial cushion defect, unspecified type
Fs: 10000 – Ostium primum defect
Fs: 10000 – Other endocardial cushion defects

MDC / MS-DRG Reference

CARDIAC CONGENITAL AND VALVULAR DISORDERS WITH MCC
CARDIAC CONGENITAL AND VALVULAR DISORDERS WITHOUT MCC

Back Reference of Diagnostic Codes

Canal See also condition
atrioventricular common Q21.2
Common
atrioventricular canal Q21.2
Defect, defective Q89.9
atrial septal (ostium secundum type) Q21.1
ostium primum type Q21.2
atrioventricular
canal Q21.2
septum Q21.2
cushion, endocardial Q21.2
ostium
primum Q21.2
Endocardium, endocardial See also condition
cushion defect Q21.2
Imperfect
closure (congenital)
atrioventricular ostium Q21.2
Ostium
atrioventriculare commune Q21.2
primum (arteriosum) (defect) (persistent) Q21.2
Persistence, persistent (congenital)
atrioventricular canal Q21.2
ostium
atrioventriculare commune Q21.2
primum Q21.2
Single
atrium Q21.2

Sibling Codes

Ventricular septal defect
Atrial septal defect
Tetralogy of Fallot
Aortopulmonary septal defect
Other congenital malformations of cardiac septa
Congenital malformation of cardiac septum, unspecified

Parent Sibling Codes

Congenital malformations of cardiac chambers and connections
Congenital malformations of cardiac septa
Congenital malformations of pulmonary and tricuspid valves
Congenital malformations of aortic and mitral valves
Other congenital malformations of heart
Congenital malformations of great arteries
Congenital malformations of great veins
Other congenital malformations of peripheral vascular system
Other congenital malformations of circulatory system

View in Tabular

Code Title
Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Q20-Q28 Congenital malformations of the circulatory system (Q20-Q28)
Q21 Congenital malformations of cardiac septa
Q21.2 Atrioventricular septal defect
Applicable to
Common atrioventricular canal
Endocardial cushion defect
Ostium primum atrial septal defect (type I)