All ICD10 Codes

I70.90

Billable
ChapterI00–I99
Ranksubcategory
Official Description

Unspecified atherosclerosis

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).
General instructions are available for the parent sections:
View CH9 NotesView I70 NotesView I70.9 Notes

Clinical Hierarchy

CH9Diseases of the circulatory system (I00-I99)
I70-I79Diseases of arteries, arterioles and capillaries (I70-I79)
I70Atherosclerosis
I70.9Other and unspecified atherosclerosis
I70.90Unspecified atherosclerosis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I70.90:

subcategoryI70.9
Other and unspecified atherosclerosis
View context instructions
categoryI70
Atherosclerosis
View context instructions
chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to I70.90. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths
Arteriosclerosis, arteriosclerotic (diffuse) (obliterans) (of) (senile) (with calcification)1 unique routes
Direct index entry→I70.90
Atheroma, atheromatous1 unique routes
Direct index entry→I70.90
Failure, failed1 unique routes
heart (acute) (senile) (sudden)
arteriosclerotic→I70.90
Fibrosis, fibrotic1 unique routes
capillary→I70.90

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 299
Peripheral Vascular Disorders with MCC
DRG 300
Peripheral Vascular Disorders with CC
DRG 301
Peripheral Vascular Disorders without CC/MCC

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Unspecified atherosclerosis.

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