I25.89 – Other forms of chronic ischemic heart disease
ICD-10-CM 2027 diagnosis code · Ischemic heart diseases
ICD-10-CM code
I25.89
- Code
I25.89(claims format:I2589)- Description
- Other forms of chronic ischemic heart disease
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 9. Diseases of the circulatory system (I00-I99)
- Block
- I20-I25 Ischemic heart diseases
- Parent codes
- I25 › I25.8
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
I25 – Chronic ischemic heart disease
Excludes2 (not included here):
- non-ischemic myocardial injury (I5A)
Use additional code:
Block I20-I25
Index terms for I25.89
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Arteritis, coronary
- Aneurysm, coronary, vein
- Necrosis, necrotic, subendocardial, chronic
- Disease, diseased, heart, ischemic, specified form NEC, chronic
- Incompetency, incompetent, incompetence, chronotropic, with, ischemic heart disease
- Insufficiency, insufficient, coronary, chronic or with a stated duration of over 4 weeks
Related codes in I25.8
- I25.81 – Atherosclerosis of other coronary vessels without angina pectorisHeader
- I25.82 – Chronic total occlusion of coronary arteryBillable
- I25.83 – Coronary atherosclerosis due to lipid rich plaqueBillable
- I25.84 – Coronary atherosclerosis due to calcified coronary lesionBillable
- I25.85 – Chronic coronary microvascular dysfunctionBillable
Frequently asked questions
What is ICD-10 code I25.89?
I25.89 is the ICD-10-CM code for other forms of chronic ischemic heart disease, in the block I20-I25 (Ischemic heart diseases).
Is I25.89 a billable code?
Yes. I25.89 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does I25.89 belong to?
It belongs to category I25 – Chronic ischemic heart disease.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.