I25.6 – Silent myocardial ischemia
ICD-10-CM 2027 diagnosis code · Ischemic heart diseases
ICD-10-CM code
I25.6
- Code
I25.6(claims format:I256)- Description
- Silent myocardial ischemia
- 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
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 I25.6
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in I25
- I25.1 – Atherosclerotic heart disease of native coronary arteryHeader
- I25.2 – Old myocardial infarctionBillable
- I25.3 – Aneurysm of heartBillable
- I25.4 – Coronary artery aneurysm and dissectionHeader
- I25.5 – Ischemic cardiomyopathyBillable
- I25.7 – Atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectorisHeader
- I25.8 – Other forms of chronic ischemic heart diseaseHeader
- I25.9 – Chronic ischemic heart disease, unspecifiedBillable
Frequently asked questions
What is ICD-10 code I25.6?
I25.6 is the ICD-10-CM code for silent myocardial ischemia, in the block I20-I25 (Ischemic heart diseases).
Is I25.6 a billable code?
Yes. I25.6 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does I25.6 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.