I77.70

I77.70: Dissection of unspecified artery

Billable / specific codeICD-10-CM

I77.70 is a billable, specific ICD-10-CM code for dissection of unspecified artery. It is valid for submission on a claim.

Check I77.70 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above I77.70

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

Written on I77.7: Other arterial dissection

dissection of aorta (I71.0-)
dissection of coronary artery (I25.42)

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

I77.70 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
A56747Billing and Coding: Magnetic Resonance Angiography (MRA)
A56758Billing and Coding: Non-Invasive Vascular Studies

Alphabetic index entries that lead here

Dissection›artery

Code history

Unchanged in every release from FY2024 to FY2027.