ICD-10 Code
International Classification of Diseases, 10th Revision
Apr 20, 2019
  ICD-10 Code for Chronic ischemic heart disease, unspecified I25.9

I25.9 is a valid1 ICD 10 diagnosis code.

I25.9 is valid for submission for HIPAA-covered transactions.

Chapter 9 Diseases of the circulatory system (I00-I99)
Section I20-I25 Ischemic heart diseases (I20-I25)
Category I25 Chronic ischemic heart disease

• See below for any additional coding requirements that may be necessary.

• Check for any notations, inclusions and/or exclusions that are specific to this ICD 10 code before using

1 No additional coding requirements necessary.
Inclusion Term
  • Ischemic heart disease (chronic) NOS
See also ICD 10 code for

Related Terms to “Chronic ischemic heart disease, unspecified”

  • Deformity - Q89.9
    • artery NOS(congenital) (peripheral) - Q27.9
      • coronary(acquired) - I25.9
    • coronary artery(acquired) - I25.9
  • Disease, diseasedSee also Syndrome
    • heart(organic) - I51.9
      • ischemic(chronic or with a stated duration of over 4 weeks) - I25.9
  • Ischemia, ischemic - I99.8
    • heart(chronic or with a stated duration of over 4 weeks) - I25.9
    • myocardium, myocardial(chronic or with a stated duration of over 4 weeks) - I25.9
    • supply(coronary) - I25.9See also Angina
See the ICD-10-CM Coding Guidelines.

Questions related to I25.9 Chronic ischemic heart disease, unspecified

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.