Q20.9

Billable

Congenital malform of cardiac chambers and connections, unsp

Congenital malformation of cardiac chambers and connections, unspecified

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)

Also Known As / Clinical Terms

Frequently Asked Questions

What is the ICD-10 code for congenital malform of cardiac chambers and connections, unsp?

The ICD-10-CM code for congenital malform of cardiac chambers and connections, unsp is Q20.9. The full clinical description is "Congenital malformation of cardiac chambers and connections, unspecified". Q20.9 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code Q20.9 mean?

ICD-10-CM code Q20.9 represents "Congenital malformation of cardiac chambers and connections, unspecified". It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.

Is Q20.9 a billable code?

Yes, Q20.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q20.9 in?

Q20.9 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What codes cannot be used with Q20.9?

Q20.9 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 SNOMED CT codes does Q20.9 map to?

Q20.9 maps to 7 SNOMED CT concepts: 788533006, 253272009, 447824005, 448064005, 253511007, and 2 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q20.9?

Q20.9 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.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

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.