Diseases of arteries, arterioles and capillaries (I70-I79) ICD-10-CM
The I70–I79 section covers diseases of arteries, arterioles and capillaries with 421 ICD-10-CM diagnosis codes, of which 344 are billable in fiscal year 2026. The section is organized into the 10 code ranges listed below.
Code Ranges in This Section 10 ranges · 421 codes
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the I70–I79 Code Range
ICD-10 codes I70-I79 cover diseases affecting the arteries, arterioles, and capillaries, focusing primarily on atherosclerosis, aneurysms, embolisms, thrombosis, and various arterial disorders. These codes precisely identify the location and type of vascular condition, including those involving native arteries, bypass grafts, and peripheral vascular complications.
This range includes specific codes for atherosclerosis (I70), with detailed subcodes indicating affected vessels such as the aorta (I70.0), renal arteries (I70.1), and extremities, differentiating symptoms like intermittent claudication, rest pain, ulceration, and gangrene. Synonyms like arteriosclerosis of aorta and renal artery stenosis help clarify coding choices. The section also classifies aortic aneurysms and dissections (I71), with distinctions between ruptured and unruptured and specifying sites such as thoracic and abdominal aorta. Codes for peripheral vascular diseases like Raynaud's syndrome and thromboangiitis obliterans appear under I73, while I74 focuses on arterial embolism and thrombosis in various arteries. Additionally, atheromatous embolism (I75), septic arterial embolism (I76), and other arterial disorders including fistulas, strictures, and dissections are included. Diseases of capillaries, including hereditary hemorrhagic telangiectasia (I78), and arterial complications stemming from other conditions (I79) are part of this chapter, aiding detailed clinical documentation and billing for vascular pathologies.
Questions About This Page
How many codes are in the I70-I79 range?
The I70-I79 range contains 421 ICD-10-CM diagnosis codes in FY 2026. 344 of them are billable, and the rest are category headers that organize the section.
What conditions does I70-I79 cover?
The range covers diseases of arteries, arterioles and capillaries. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
