ICD-10-CM Codes (2025)

• Q20.5	Discordant atrioventricular connection

• 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

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