Q20.8
Billable codeOther congenital malformations of cardiac chambers and connections
The ICD-10 code for other congenital malformations of cardiac chambers and connections is Q20.8.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Cor binoculare
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Laterality-specific codes exist for this condition — confirm the affected side is documented.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Q20.0Common arterial trunk
- Q20.1Double outlet right ventricle
- Q20.2Double outlet left ventricle
- Q20.3Discordant ventriculoarterial connection
- Q20.4Double inlet ventricle
- Q20.5Discordant atrioventricular connection
- Q20.6Isomerism of atrial appendages
- Q20.9Congenital malformation of cardiac chambers and connections, unspecified
- Q20.8Other congenital malformations of cardiac chambers and connections
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 74519Approximate match
- 7457Approximate match
- 7458Approximate match
Associated MS-DRGs
Q20.8 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.