Q20.3
ICD-10BillableDiscordant ventriculoarterial connection
Official ICD-10-CM descriptor (FY2026)
Discordant ventriculoarterial connection
Q20.3 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Dextrotransposition of aorta
- Transposition of great vessels (complete)
Related codes in Q20
- Q20.0Common arterial trunk
- Q20.1Double outlet right ventricle
- Q20.2Double outlet left ventricle
- Q20.4Double inlet ventricle
- Q20.5Discordant atrioventricular connection
- Q20.6Isomerism of atrial appendages
- Q20.8Oth congenital malform of cardiac chambers and connections
- Q20.9Congenital malform of cardiac chambers and connections, unsp
Where this code sits
- Parent code
- Q20
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.