Q89.3

Q89.3: Situs inversus

Billable / specific codeICD-10-CMPOA exempt

Q89.3 is a billable, specific ICD-10-CM code for situs inversus. It is valid for submission on a claim.

Check Q89.3 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

dextrocardia NOS (Q24.0)

Inclusion terms

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

Dextrocardia with situs inversus
Mirror-image atrial arrangement with situs inversus
Situs inversus or transversus abdominalis
Situs inversus or transversus thoracis
Transposition of abdominal viscera
Transposition of thoracic viscera

Other codes that can never be billed with Q89.3

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

Q20Congenital malformations of cardiac chambers and connections
Q24.0Dextrocardia

Risk adjustment

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

Medicare coverage

Q89.3 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56625Billing and Coding: Echocardiography
A56781Billing and Coding: Transthoracic Echocardiography (TTE)
A57306Billing and Coding: Transthoracic Echocardiography (TTE)

Alphabetic index entries that lead here

Kartagener's syndrome or triad(sinusitis, bronchiectasis, situs inversus)
Sinusitis-bronchiectasis-situs inversus(syndrome) (triad)
Situs inversus or transversus(abdominalis) (thoracis)
Levocardia›with situs inversus
Syndrome›Kartagener's
Syndrome›sinusitis-bronchiectasis-situs inversus
Transposition›abdominal viscera
Transposition›viscera(abdominal) (thoracic)
Triad›Kartagener's
Dextrocardia›with›complete transposition of viscera
Dextrocardia›with›situs inversus
Transposition›heart›with complete transposition of viscera

Code history

Unchanged in every release from FY2024 to FY2027.