Q21.16 SINUS VENOSUS ATRIAL SEPTAL DEFECT, UNSPECIFIED

Code Information

  • Diagnosis Code: Q21.16
  • Short Description: Sinus venosus atrial septal defect, unspecified
  • Long Description: Sinus venosus atrial septal defect, unspecified
  • Code Version: 2025 ICD-10-CM

The code Q21.16 is VALID for claim submission

Code Classification

Synonyms

  • Sinus venosus atrial septal defect
  • Sinus venosus atrial septal defect
  • Sinus venosus atrial septal defect
  • Sinus venosus defect with overriding inferior vena cava
  • Sinus venosus defect with overriding superior vena cava

Diagnostic Related Group(s)

The code Q21.16 is grouped in the following Diagnostic Related Group(s) MS-DRG V43.0

  1. Cardiac Congenital And Valvular Disorders With Mcc (306)
  2. Cardiac Congenital And Valvular Disorders Without Mcc (307)

References to Index of Diseases and Injuries

The code Q21.16 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • Inclusion Terms:
    • Sinus venosus defect, NOS

Similar Codes

ICD-10 Code ICD-10 Description
Q21 Congenital malformations of cardiac septa
Q21.0 Ventricular septal defect
Q21.1 Atrial septal defect
Q21.10 Atrial septal defect, unspecified
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
Q21.19 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: 10/1/2025
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