Q20.6

Q20.6: Isomerism of atrial appendages

Billable / specific codeICD-10-CMPOA exempt

Q20.6 is a billable, specific ICD-10-CM code for isomerism of atrial appendages. It is valid for submission on a claim.

Check Q20.6 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Isomerism of atrial appendages with asplenia or polysplenia

Excludes1 inherited from the categories above Q20.6

A category’s note binds every code beneath it.

Written on Q20: Congenital malformations of cardiac chambers and connections

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

Other codes that can never be billed with Q20.6

Their own Excludes1 notes name this code, so the conflict is not listed above.

Q24.0Dextrocardia
Q89.0Congenital absence and malformations of spleen

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Q20.6 is named in 15 Medicare coverage policies: 15 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders
A56451Billing and Coding: Cardiac Computed Tomography (CCT) and Coronary Computed Tomography Angiography (CCTA)
A56476Billing and Coding: Cardiac Radionuclide Imaging