All ICD10 Codes

I25.1

Non-Billable
ChapterI00–I99
Ranksubcategory
Official Description

Atherosclerotic heart disease of native coronary artery

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

Includes
  • Atherosclerotic cardiovascular disease
  • Coronary (artery) atheroma
  • Coronary (artery) atherosclerosis
  • Coronary (artery) disease
  • Coronary (artery) sclerosis
Excludes2(Not included here)
  • atheroembolism (I75.-)
  • atherosclerosis of coronary artery bypass graft(s) and transplanted heart (I25.7-)
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 NotesView I20-I25 NotesView I25 Notes

Clinical Hierarchy

CH9Diseases of the circulatory system (I00-I99)
I20-I25Ischemic heart diseases (I20-I25)
I25Chronic ischemic heart disease
I25.1Atherosclerotic heart disease of native coronary artery
I25.10Atherosclerotic heart disease of native coronary artery without angina pectoris
I25.11Atherosclerotic heart disease of native coronary artery with angina pectoris

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I25.1:

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 I25.1. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

13 raw paths
Arteriosclerosis, arteriosclerotic (diffuse) (obliterans) (of) (senile) (with calcification)7 unique routes
coronary (artery)→I25.1(7 variants)
native vessel(6 variants)
with(6 variants)
angina pectoris→I25.1(5 variants)
refractory→I25.1
specified type NEC→I25.1
unstable→I25.1
with documented spasm→I25.1
ischemic chest pain→I25.1
Atheroma, atheromatous1 unique routes
coronary (artery)→I25.1
Atherosclerosis1 unique routes
coronary
artery→I25.1
Disease, diseased3 unique routes
artery
coronary→I25.1
cardiovascular (atherosclerotic)→I25.1
heart (organic)
ischemic (chronic or with a stated duration of over 4 weeks)
atherosclerotic (of)→I25.1
Sclerosis, sclerotic1 unique routes
coronary (artery)→I25.1

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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