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I77.9

I77.9: Disorder of arteries and arterioles, unspecified

Billable / specific codeICD-10-CM

I77.9 is a billable, specific ICD-10-CM code for disorder of arteries and arterioles, unspecified. It is valid for submission on a claim.

Check I77.9 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above I77.9

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.

Alphabetic index entries that lead here

  • Arteriopathy
  • Disease, diseased›aorta(nonsyphilitic)
  • Disease, diseased›arterial
  • Disease, diseased›arteriolar(generalized) (obliterative)
  • Disease, diseased›artery
  • Occlusion, occluded›artery›peripheral

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under I77

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.