Q20

Non-billable

Congenital malformations of cardiac chambers and connections

Congenital malformations of cardiac chambers and connections

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • dextrocardia with situs inversus (Q89.3)
  • mirror-image atrial arrangement with situs inversus (Q89.3)

Excludes 2

Conditions not included here, but the patient may have both

  • inborn errors of metabolism (E70-E88)

Child Codes (9)

Also Known As / Clinical Terms

Frequently Asked Questions

What is the ICD-10 code for congenital malformations of cardiac chambers and connections?

The ICD-10-CM code for congenital malformations of cardiac chambers and connections is Q20. The full clinical description is "Congenital malformations of cardiac chambers and connections". Q20 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code Q20 mean?

ICD-10-CM code Q20 represents "Congenital malformations of cardiac chambers and connections". It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a non-billable header code. Use a more specific child code for billing purposes.

Is Q20 a billable code?

No, Q20 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 9 child codes under Q20.

What chapter is Q20 in?

Q20 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What codes cannot be used with Q20?

Q20 has Excludes1 notes indicating codes that cannot be used together with it, including: dextrocardia with situs inversus (Q89.3); mirror-image atrial arrangement with situs inversus (Q89.3).

What are the subcategories under Q20?

Q20 has 9 child codes, including: Q20.0 (Common arterial trunk), Q20.1 (Double outlet right ventricle), Q20.2 (Double outlet left ventricle), Q20.3 (Discordant ventriculoarterial connection), and 5 more.

What are the UMLS CUIs for Q20?

Q20 is linked to 1 UMLS Concept Unique Identifier: C0478009. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.