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I25.5 ICD-10-CA code: Ischaemic cardiomyopathy

I25.5 is the ICD-10-CA code for “Ischaemic cardiomyopathy” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

I25.5

Ischaemic cardiomyopathy

ICD-10-CA · Canada · Also written I255

Index terms

Entries in CIHI’s alphabetical index that lead to I25.5. Searching the index by the condition the note names is how coders reach this code.

  • Ischemia, ischemic, cardiomyopathy
  • Cardiomyopathy (familial) (idiopathic), ischemic
  • Failure, failed, heart (acute) (sudden) (senile), ischemic
  • Ischemia, ischemic, cardiomyopathy, with diabetes mellitus
  • Cardiomyopathy (familial) (idiopathic), ischemic, with (in) (due to) diabetes mellitus
  • Ischemia, ischemic, heart (chronic or with a stated duration of over 4 weeks), failure

Notes for I25.5

As CIHI prints them, with any note I25.5 takes from the headings above it.

Includes

Use additional code

Add a code for this detail when the note documents it.

Excludes

Conditions classified elsewhere.

  • Cardiovascular disease NOS (I51.6)From I25 Chronic ischaemic heart disease
  • Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)systemic connective tissue disorders (M30-M36)transient cerebral ischaemic attacks and related syndromes (G45.-)From Chapter 9: Diseases of the circulatory system (I00-I99)

Note

  • For morbidity, duration as used in categories (I21, I22, I24 and I25) refers to the interval elapsing between onset of the ischaemic episode and admission to care.From I20-I25 Ischaemic heart diseases

Where I25.5 sits

  1. 1ChapterChapter 9: Diseases of the circulatory system (I00-I99)
  2. 2Block I20-I25Ischaemic heart diseases
  3. 3Category I25Chronic ischaemic heart disease
  4. 4Valid code I25.5Ischaemic cardiomyopathy

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See I25.5 in the CIHI source

Frequently asked questions

What does ICD-10-CA code I25.5 mean?

I25.5 is the ICD-10-CA code for “Ischaemic cardiomyopathy” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is I25.5 in ICD-10-CA?

I25.5 sits under I25 Chronic ischaemic heart disease, within I20-I25 Ischaemic heart diseases, within Chapter 9: Diseases of the circulatory system (I00-I99).

What coding notes apply to I25.5?

ICD-10-CA lists Use additional code, Excludes, Note, Includes notes for I25.5, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

Codes beside I25.5

I25.0Atherosclerotic cardiovascular disease, so describedI25.1Atherosclerotic heart diseaseI25.2Old myocardial infarctionI25.3Aneurysm of heartI25.4Coronary artery aneurysm and dissectionI25.6Silent myocardial ischaemiaI25.8Other forms of chronic ischaemic heart diseaseI25.9Chronic ischaemic heart disease, unspecified