2025 ICD-10-CM Diagnosis Code I25.89

Other forms of chronic ischemic heart disease

• I25.89 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2025 edition of ICD-10-CM I25.89 became effective on October 1, 2024.
• This is the American ICD-10-CM version of I25.89 – other international versions of ICD-10 I25.89 may differ.

The following code(s) above I25.89 contain annotation back-references

 that may be applicable to I25.89:

• I00-I99  Diseases of the circulatory system
• I20-I25  Ischemic heart diseases
• I25  Chronic ischemic heart disease

Approximate Synonyms

• Chronic coronary insufficiency
• Chronic myocardial ischemia
• Coronary arteritis

ICD-10-CM I25.89 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

• 302 Atherosclerosis with mcc
• 303 Atherosclerosis without mcc

Convert I25.89 to ICD-9-CMCode History

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change
• 2021 (effective 10/1/2020): No change
• 2022 (effective 10/1/2021): No change
• 2023 (effective 10/1/2022): No change
• 2024 (effective 10/1/2023): No change
• 2025 (effective 10/1/2024): No change

Code annotations containing back-references to I25.89:

• Type 1 Excludes: I77.6

Diagnosis Index entries containing back-references to I25.89:

• Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) I72.9
  • coronary (arteriosclerotic) (artery) I25.41
    • vein I25.89
• ArteritisI77.6
  • coronary (artery) I25.89
• Disease, diseased – see also Syndrome
  • heart (organic) I51.9
    • ischemic (chronic or with a stated duration of over 4 weeks) I25.9
      • specified form NEC
        • chronic I25.89
• Incompetency, incompetent, incompetence
  • chronotropicI45.89
    • with
      • ischemic heart disease I25.89
• Insufficiency, insufficient
  • coronary (acute or subacute) I24.89
    • chronic or with a stated duration of over 4 weeks I25.89
• Necrosis, necrotic (ischemic) – see also Gangrene
  • subendocardial (acute) I21.4
    • chronic I25.89