2025
ICD-10-CM
Diagnosis
Code

I25 Chronic ischemic heart disease

  • Non-billable
  • 2016–2025

I25 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Chronic ischemic heart disease.

Use additional code

  • 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)

Codes

Versions

  1. 2025

    No changes

  2. 2024

    No changes

  3. 2023

    No changes

  4. 2022

    Code changed

    • Type 2 excludes

        • non-ischemic myocardial injury (I5A)
  5. 2021

    No changes

  6. 2020

    No changes

  7. 2019

    No changes

  8. 2018

    No changes

  9. 2017

    Code changed

    • Use additional code

        • code to identify:
        • chronic total occlusion of coronary artery (I25.82)
        • exposure to environmental tobacco smoke (Z77.22)
        • history of tobacco use (Z87.891)
        • occupational exposure to environmental tobacco smoke (Z57.31)
        • tobacco dependence (F17.-)
        • tobacco use (Z72.0)
        • 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)
  10. 2016

    New code