I70
ICD-10Non-billable categoryAtherosclerosis
Official ICD-10-CM descriptor (FY2026)
Atherosclerosis
I70 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Includes
- arteriolosclerosis
- arterial degeneration
- arteriosclerosis
- arteriosclerotic vascular disease
- arteriovascular degeneration
- atheroma
- endarteritis deformans or obliterans
- senile arteritis
- senile endarteritis
- vascular degeneration
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- arteriosclerotic cardiovascular disease (I25.1-)
- arteriosclerotic heart disease (I25.1-)
- atheroembolism (I75.-)
- cerebral atherosclerosis (I67.2)
- coronary atherosclerosis (I25.1-)
- mesenteric atherosclerosis (K55.1)
- precerebral atherosclerosis (I67.2)
- primary pulmonary atherosclerosis (I27.0)
Use additional code
Report an additional code to identify the associated condition.
- code to identify:
- exposure to environmental tobacco smoke (Z77.22)
- history of tobacco dependence (Z87.891)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
More specific codes under I70
- I70.0Atherosclerosis of aorta
- I70.1Atherosclerosis of renal artery
- I70.2Atherosclerosis of native arteries of the extremitiescategory
- I70.3Athscl unsp type bypass graft(s) of the extremitiescategory
- I70.4Athscl autologous vein bypass graft(s) of the extremitiescategory
- I70.5Athscl nonautologous bio bypass graft(s) of the extremitiescategory
- I70.6Athscl nonbiological bypass graft(s) of the extremitiescategory
- I70.7Athscl type of bypass graft(s) of the extremitiescategory
- I70.8Atherosclerosis of other arteries
- I70.9Other and unspecified atherosclerosiscategory
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.