Q20 CONGENITAL MALFORMATIONS OF CARDIAC CHAMBERS AND CONNECTIONS

Code Information

  • Diagnosis Code: Q20
  • Short Description: Congenital malformations of cardiac chambers and connections
  • Long Description: Congenital malformations of cardiac chambers and connections
  • Code Version: 2025 ICD-10-CM

The code Q20 is NOT VALID for claim submission

Code Classification

References to Index of Diseases and Injuries

The code Q20 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • Type 1 Excludes Notes:
    • dextrocardia with situs inversus (@Q89.3*)
    • mirror-image atrial arrangement with situs inversus (@Q89.3*)

Similar Codes

ICD-10 Code ICD-10 Description
Q20.0 Common arterial trunk
Q20.1 Double outlet right ventricle
Q20.2 Double outlet left ventricle
Q20.3 Discordant ventriculoarterial connection
Q20.4 Double inlet ventricle
Q20.5 Discordant atrioventricular connection
Q20.6 Isomerism of atrial appendages
Q20.8 Other congenital malformations of cardiac chambers and connections
Q20.9 Congenital malformation of cardiac chambers and connections, unspecified
This page was last updated on: 10/1/2025
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