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I25.89

I25.89: Other forms of chronic ischemic heart disease

Billable / specific codeICD-10-CM

I25.89 is a billable, specific ICD-10-CM code for other forms of chronic ischemic heart disease. It is valid for submission on a claim.

Check I25.89 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above I25.89

Not part of this code, but both may be coded when both are present.

Written on I25: Chronic ischemic heart disease

  • non-ischemic myocardial injury (I5A)

Other codes that can never be billed with I25.89

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • I77.6Arteritis, unspecified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

I25.89 is named in 22 Medicare coverage policies: 22 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
  • A56451Billing and Coding: Cardiac Computed Tomography (CCT) and Coronary Computed Tomography Angiography (CCTA)
  • A56476Billing and Coding: Cardiac Radionuclide Imaging
  • A56602Billing and Coding: Cardiac Rhythm Device Evaluation

Alphabetic index entries that lead here

  • Arteritis›coronary(artery)
  • Aneurysm›coronary›vein
  • Insufficiency, insufficient›coronary›chronic or with a stated duration of over 4 weeks
  • Necrosis, necrotic›subendocardial›chronic
  • Incompetency, incompetent, incompetence›chronotropic›with›ischemic heart disease
  • Disease, diseased›heart›ischemic›specified form NEC›chronic

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under I25.8

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.