AutoICD API

Q20.6

Billable

Isomerism of atrial appendages

Isomerism of atrial appendages

Status

Billable / Specific

Parent Code

Q20

ICD-11 Mapping

1 equivalent

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Isomerism of atrial appendages with asplenia or polysplenia

Excludes 1

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

Excludes 2

Conditions not included here, but the patient may have both

Related Codes(8)
Q20.0

Common arterial trunk

BillableQ20.1

Double outlet right ventricle

BillableQ20.2

Double outlet left ventricle

BillableQ20.3

Discordant ventriculoarterial connection

BillableQ20.4

Double inlet ventricle

BillableQ20.5

Discordant atrioventricular connection

BillableQ20.8

Oth congenital malform of cardiac chambers and connections

BillableQ20.9

Congenital malform of cardiac chambers and connections, unsp

Billable
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

LA8YOther specified structural developmental anomaly of heart or great vesselsequivalentPrimary
Also Known As / Clinical Terms(26)

SNOMED CT

UMLS

Clinical Terms

  • Mirror imaged atria
  • Isomerism of left atrial appendage
  • Abnormality of right atrial appendage
  • Ivemark syndrome
  • RAI - right sided atrial isomerism
  • Isomerism of atrial appendages (disorder)
  • Isomerism of right atrial appendage
  • Abnormality of left atrial appendage
  • Isomerism of atrial appendages with asplenia or polysplenia
  • Isomerism sequence
  • Laterality sequence
  • Right atrial appendage - left - juxtaposition
Frequently Asked Questions
What is the ICD-10 code for isomerism of atrial appendages?

The ICD-10-CM code for isomerism of atrial appendages is Q20.6. The full clinical description is "Isomerism of atrial appendages". Q20.6 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code Q20.6 mean?

ICD-10-CM code Q20.6 represents “Isomerism of atrial appendages”. 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 Q20.6 a billable code?

Yes, Q20.6 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q20.6 in?

Q20.6 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What codes cannot be used with Q20.6?

Q20.6 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 Q20.6 map to?

Q20.6 maps to 8 SNOMED CT concepts: 253355000, 253344000, 253335001, 253337009, 253336000, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q20.6?

Q20.6 is linked to 2 UMLS Concept Unique Identifiers: C0344692, C2910124. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does Q20.6 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like isomerism of atrial appendages affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of Q20.6?

Q20.6 maps to the ICD-11 code: LA8Y (Other specified structural developmental anomaly of heart or great vessels).

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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.