I77.6

I77.6: Arteritis, unspecified

Billable / specific codeICD-10-CM

I77.6 is a billable, specific ICD-10-CM code for arteritis, unspecified. It is valid for submission on a claim.

Check I77.6 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.

arteritis or endarteritis:
aortic arch (M31.4)
cerebral NEC (I67.7)
coronary (I25.89)
deformans (I70.-)
giant cell (M31.5, M31.6)
obliterans (I70.-)
senile (I70.-)

Inclusion terms

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

Aortitis NOS
Endarteritis NOS

Excludes2 inherited from the categories above I77.6

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

I77.6 is named in 13 Medicare coverage policies: 13 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A52992Billing and Coding: Non-Invasive Cerebrovascular Arterial Studies
A52996Billing and Coding: Routine Foot Care
A55639Billing and Coding: Chemotherapy Agents for Non-Oncologic Conditions
A56380Billing and Coding: Rituximab

Alphabetic index entries that lead here

Angiitis
Aortitis(nonsyphilitic) (calcific)
Arteriolitis
Arteritis
Endarteritis(bacterial, subacute) (infective)
Vasculitis
Arteritis›aorta(nonsyphilitic)
Vasculitis›disseminated

Code history

Unchanged in every release from FY2024 to FY2027.