I25.9
Chronic ischemic heart disease, unspecified
- Release
- FY 2027
- Effective
Hierarchy
Where I25.9 sits in the official hierarchy. Each level is the code it is classified under.
- I25 Parent Chronic ischemic heart disease
- I25.9 This code Chronic ischemic heart disease, unspecified
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Inclusion Terms
Ischemic heart disease (chronic) NOS
Use Additional Code
chronic total occlusion of coronary artery ( I25.82 )
Inherited from I25 — Chronic ischemic heart disease
Use Additional Code
exposure to environmental tobacco smoke ( Z77.22 )
Inherited from I25 — Chronic ischemic heart disease
Use Additional Code
history of tobacco dependence ( Z87.891 )
Inherited from I25 — Chronic ischemic heart disease
Use Additional Code
occupational exposure to environmental tobacco smoke ( Z57.31 )
Inherited from I25 — Chronic ischemic heart disease
Version History
How I25.9 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentChronic ischemic heart disease, unspecified
-
FY 2026 Effective
UnchangedChronic ischemic heart disease, unspecified
Related Codes
Other codes under I25
- I25.1 Atherosclerotic heart disease of native coronary artery
- I25.2 Old myocardial infarction Billable
- I25.3 Aneurysm of heart Billable
- I25.4 Coronary artery aneurysm and dissection
- I25.5 Ischemic cardiomyopathy Billable
- I25.6 Silent myocardial ischemia Billable
- I25.7 Atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris
- I25.8 Other forms of chronic ischemic heart disease
Codes whose official notes reference I25.9
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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