Q21.10 ATRIAL SEPTAL DEFECT, UNSPECIFIED

Code Information

Diagnosis Code: Q21.10

Short Description: Atrial septal defect, unspecified

Long Description: Atrial septal defect, unspecified

The code Q21.10 is VALID for claim submission

Code Classification:

Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- Congenital malformations of the circulatory system (Q20-Q28)
  - Congenital malformations of cardiac septa (Q21)
    - Q21.10 Atrial septal defect, unspecified

Code Version: 2022 ICD-10-CM

Atrial septal defect
Atrial septal defect murmur
Atrial septal defect with endocardial cushion defect, partial type
Atrial septal defect, atrioventricular conduction defect syndrome
Congenital abnormality of atrial septum
Congenital abnormality of tricuspid leaflet
Congenital atrial septal defect
Ebstein's anomaly
Ebstein's anomaly with atrial septal defect
Endocardial cushion defect
Lymphedema of lower extremity
Lymphedema, atrial septal defect, facial changes syndrome
Malattachment of atrial septum
Malattachment of atrial septum with posterior aspect of septum primum to left
Malattachment of atrial septum with superior aspect of septum primum to left and posterior
Nonrestrictive interatrial communication
Pericarditis associated with atrial septal defect
Restrictive interatrial communication
Restrictive interatrial communication with obligatory shunt

The code Q21.10 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)

ICD-10 Code	ICD-10 Description
Q21	Congenital malformations of cardiac septa
Q21.0	Ventricular septal defect
Q21.1	Atrial septal defect
Q21.11	Secundum atrial septal defect
Q21.12	Patent foramen ovale
Q21.13	Coronary sinus atrial septal defect
Q21.14	Superior sinus venosus atrial septal defect
Q21.15	Inferior sinus venosus atrial septal defect
Q21.16	Sinus venosus atrial septal defect, unspecified
Q21.19	Other specified atrial septal defect
Q21.2	Atrioventricular septal defect
Q21.20	Atrioventricular septal defect, unspecified as to partial or complete
Q21.21	Partial atrioventricular septal defect
Q21.22	Transitional atrioventricular septal defect
Q21.23	Complete atrioventricular septal defect
Q21.3	Tetralogy of Fallot
Q21.4	Aortopulmonary septal defect
Q21.8	Other congenital malformations of cardiac septa
Q21.9	Congenital malformation of cardiac septum, unspecified

This page was last updated on: 10/1/2023