I77.810

I77.810: Thoracic aortic ectasia

Billable / specific codeICD-10-CM

I77.810 is a billable, specific ICD-10-CM code for thoracic aortic ectasia. It is valid for submission on a claim.

Check I77.810 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above I77.810

A category’s note binds every code beneath it.

Written on I77.81: Aortic ectasia

aortic aneurysm and dissection (I71.-)

Excludes2 inherited from the categories above I77.810

Not part of this code, but both may be coded when both are present.

Written on I77: Other disorders of arteries and arterioles

collagen (vascular) diseases (M30-M36)
hypersensitivity angiitis (M31.0)
pulmonary artery (I28.-)

Risk adjustment

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

Medicare coverage

I77.810 is named in 10 Medicare coverage policies: 10 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
A56697Billing and Coding: Non-Invasive Vascular Studies
A56747Billing and Coding: Magnetic Resonance Angiography (MRA)
A56758Billing and Coding: Non-Invasive Vascular Studies

Alphabetic index entries that lead here

Ectasia, ectasis›aorta›thoracic

Code history

Unchanged in every release from FY2024 to FY2027.