I70

Non-billable

Atherosclerosis

I70 is the ICD-10-CM code for Atherosclerosis. It is a non-billable category code — use a more specific child code such as I70.0 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Subcodes
10
Edition
FY2026

I00-I99 Diseases of the circulatory system

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

  • 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

  • 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)

Frequently asked questions

What is ICD-10 code I70?
I70 is the ICD-10-CM code for "Atherosclerosis". It falls under I00-I99 Diseases of the circulatory system.
Is I70 a billable code?
No — I70 is a non-billable header code. Use a more specific child code (such as I70.0) for billing.
What are the subcodes of I70?
I70 has 10 more specific child codes, including I70.0, I70.1, I70.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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