2025 ICD-10-CM Diagnosis Code I25

by

Chronic ischemic heart disease

  • I25 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2025 edition of ICD-10-CM I25 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of I25 – other international versions of ICD-10 I25 may differ.

Use Additional

  • code to identify:
  • chronic total occlusion of coronary artery (I25.82)
  • exposure to environmental tobacco smoke (Z77.22)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Type 2 Excludes

  • non-ischemic myocardial injury (I5A)

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

 that may be applicable to I25:

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

Code 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
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