All ICD10 Codes

I70

Non-Billable
ChapterI00–I99
Rankcategory
Official Description

Atherosclerosis

Use a more specific code (3 billable, 7 non-billable)
I70.0Atherosclerosis of aortaI70.1Atherosclerosis of renal arteryI70.2Atherosclerosis of native arteries of the extremitieshas subcodesI70.3Atherosclerosis of unspecified type of bypass graft(s) of the extremitieshas subcodesI70.4Atherosclerosis of autologous vein bypass graft(s) of the extremitieshas subcodesI70.5Atherosclerosis of nonautologous biological bypass graft(s) of the extremitieshas subcodesI70.6Atherosclerosis of nonbiological bypass graft(s) of the extremitieshas subcodesI70.7Atherosclerosis of other type of bypass graft(s) of the extremitieshas subcodesI70.8Atherosclerosis of other arteriesI70.9Other and unspecified atherosclerosishas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).

CH9 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Instructional Notes

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. Code separately if applicable.)
  • 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)

Clinical Hierarchy

BillableHas subcodes
CH9Diseases of the circulatory system (I00-I99)
I70-I79Diseases of arteries, arterioles and capillaries (I70-I79)
I70AtherosclerosisNot billable
I70.0Atherosclerosis of aortaBillable
I70.1Atherosclerosis of renal arteryBillable
I70.2Atherosclerosis of native arteries of the extremitiesSubcodes
I70.3Atherosclerosis of unspecified type of bypass graft(s) of the extremitiesSubcodes
I70.4Atherosclerosis of autologous vein bypass graft(s) of the extremitiesSubcodes
I70.5Atherosclerosis of nonautologous biological bypass graft(s) of the extremitiesSubcodes
I70.6Atherosclerosis of nonbiological bypass graft(s) of the extremitiesSubcodes
I70.7Atherosclerosis of other type of bypass graft(s) of the extremitiesSubcodes
I70.8Atherosclerosis of other arteriesBillable
I70.9Other and unspecified atherosclerosisSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I70:

chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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