I25.81

Non-Billable

ChapterI00–I99

Ranksubcategory

Official Description

Atherosclerosis of other coronary vessels without angina pectoris

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Non-billable category (requires more specific sub-code).
•Chapter 9: Diseases of the Circulatory System (I00-I99).

Instructional Notes

Excludes2(Not included here)

atherosclerotic heart disease of native coronary artery without angina pectoris (I25.10)

Use Additional Code

code, if applicable, to identify:
coronary atherosclerosis due to calcified coronary lesion (I25.84)
coronary atherosclerosis due to lipid rich plaque (I25.83)

General instructions are available for the parent sections:

View CH9 Notes View I20-I25 Notes View I25 Notes

Clinical Hierarchy

CH9Diseases of the circulatory system (I00-I99)

I20-I25Ischemic heart diseases (I20-I25)

I25Chronic ischemic heart disease

I25.8Other forms of chronic ischemic heart disease

I25.81Atherosclerosis of other coronary vessels without angina pectoris

I25.810Atherosclerosis of coronary artery bypass graft(s) without angina pectoris

I25.811Atherosclerosis of native coronary artery of transplanted heart without angina pectoris

I25.812Atherosclerosis of bypass graft of coronary artery of transplanted heart without angina pectoris

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I25.81:

categoryI25

Chronic ischemic heart disease

View context instructions

blockI20-I25

Ischemic heart diseases (I20-I25)

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 I25.81. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

11 raw paths

Arteriosclerosis, arteriosclerotic (diffuse) (obliterans) (of) (senile) (with calcification)8 unique routes

coronary (artery)(8 variants)

bypass graft→I25.81(5 variants)

autologous artery→I25.81

autologous vein→I25.81

nonautologous biological→I25.81

specified type NEC→I25.81

transplanted heart→I25.81(3 variants)

bypass graft→I25.81

native coronary artery→I25.81

Atherosclerosis3 unique routes

transplanted heart→I25.81(3 variants)

bypass graft→I25.81

native coronary artery→I25.81

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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