Disorders of arteries, arterioles and capillaries in diseases classified elsewhere
In Diseases of arteries, arterioles and capillaries (I70-I79), chapter 9: Diseases of the Circulatory System
3 billable codes under I79: none are a CC or MCC; none map to an HCC.
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Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers hypertension with heart and kidney disease, coronary artery disease with angina, perioperative stroke, cerebrovascular sequelae, and acute myocardial infarction types and timing.
- Hypertension (page 50)
- Atherosclerotic Coronary Artery Disease and Angina (page 52)
- Intraoperative and Postprocedural Cerebrovascular Accident (page 53)
- Sequelae of Cerebrovascular Disease (page 53)
- Acute myocardial infarction (AMI) (page 54)
All codes under I79
I79 can't be used on a claim. Pick a billable code below; grey headings group them.
I79 MS-DRGs
As the principal diagnosis, all 3 billable codes under I79 group to MS-DRG 299, 300, or 301 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Vascular Diseases
Your vascular system is your body's network of blood vessels. It includes your: Vascular diseases are conditions which affect your vascular system. They are common and can be serious. Some types include:
Read more about vascular diseases on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.