ICD-10-CM
ICD-10 code for Disease, diseased arterial: I77.9
The ICD-10-CM index points "Disease, diseased arterial" to I77.9, Disorder of arteries and arterioles, unspecified. I77.9 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
More specific codes in I77
A header groups codes and is not billed. A billable code is one you can report.
- I77Other disorders of arteries and arteriolesHeader
- I77.0Arteriovenous fistula, acquiredBillable
- I77.1Stricture of arteryBillable
- I77.2Rupture of arteryBillable
- I77.3Arterial fibromuscular dysplasiaBillable
- I77.4Celiac artery compression syndromeBillable
- I77.5Necrosis of arteryBillable
- I77.6Arteritis, unspecifiedBillable
- I77.7Other arterial dissectionHeader
- I77.70Dissection of unspecified arteryBillable
- I77.71Dissection of carotid arteryBillable
- I77.72Dissection of iliac arteryBillable
- I77.73Dissection of renal arteryBillable
- I77.74Dissection of vertebral arteryBillable
- I77.75Dissection of other precerebral arteriesBillable
- I77.76Dissection of artery of upper extremityBillable
- I77.77Dissection of artery of lower extremityBillable
- I77.79Dissection of other specified arteryBillable
- I77.8Other specified disorders of arteries and arteriolesHeader
- I77.81Aortic ectasiaHeader
- I77.810Thoracic aortic ectasiaBillable
- I77.811Abdominal aortic ectasiaBillable
- I77.812Thoracoabdominal aortic ectasiaBillable
- I77.819Aortic ectasia, unspecified siteBillable
- I77.82Antineutrophilic cytoplasmic antibody [ANCA] vasculitisBillable
- I77.89Other specified disorders of arteries and arteriolesBillable
- I77.9Disorder of arteries and arterioles, unspecifiedBillable
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From I77. A note on a category applies to every code under it.
Related conditions
Related pages
- I77.9 code detailsNotes, nearby codes, CMS-HCC group
- Category I77Every code under it
- Chapter 9Diseases of the circulatory system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Disease, diseased arterial?
The ICD-10-CM index points "Disease, diseased arterial" to I77.9, Disorder of arteries and arterioles, unspecified. I77.9 is a billable code.
Is I77.9 billable?
Yes. I77.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to I77.9?
The CDC tabular list gives 3 Excludes2 notes (may be coded together when both are documented) for I77.9 and the categories above it. They are listed on this page.
What chapter is I77.9 in?
Chapter 9. Diseases of the circulatory system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.