ICD10BillableValid for clinical use
ICD-10 Code I25.5: Ischemic cardiomyopathy
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).
When is it used?
- May be used when a clinician documents ischemic cardiomyopathy in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
9Diseases of the circulatory system (I00-I99)
block
I20-I25Ischemic heart diseases
category
I25Chronic ischemic heart disease
currentI25
Official coding notes
Excludes2 (may code together if documented)
- coronary atherosclerosis (I25.1-, I25.7-)
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
CardiologistGeneral Physician
Related codes
I25.1Atherosclerotic heart disease of native coronary arterycategoryI25.2Old myocardial infarctioncodeI25.3Aneurysm of heartcodeI25.4Coronary artery aneurysm and dissectioncategoryI25.6Silent myocardial ischemiacodeI25.7Atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoriscategoryI25.8Other forms of chronic ischemic heart diseasecategoryI25.9Chronic ischemic heart disease, unspecifiedcode
Sibling codes
I25.1Atherosclerotic heart disease of native coronary arteryI25.2Old myocardial infarctionbillableI25.3Aneurysm of heartbillableI25.4Coronary artery aneurysm and dissectionI25.6Silent myocardial ischemiabillableI25.7Atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectorisI25.8Other forms of chronic ischemic heart diseaseI25.9Chronic ischemic heart disease, unspecifiedbillable
Coverage-related procedures and services
CPT 93350high
ECHOCARDIOGRAPHY, TRANSTHORACIC, REAL-TIME WITH IMAGE DOCUMENTATION (2D), INCLUDES M-MODE RECORDING, WHEN PERFORMED, DURING REST AND CARDIOVASCULAR STRESS TEST USING TREADMILL, BICYCLE EXERCISE AND/OR PHARMACOLOGICALLY INDUCED STRESS, WITH INTERPRETATION AND REPORT;
Source: CMS coverage guidance
CPT 93351high
ECHOCARDIOGRAPHY, TRANSTHORACIC, REAL-TIME WITH IMAGE DOCUMENTATION (2D), INCLUDES M-MODE RECORDING, WHEN PERFORMED, DURING REST AND CARDIOVASCULAR STRESS TEST USING TREADMILL, BICYCLE EXERCISE AND/OR PHARMACOLOGICALLY INDUCED STRESS, WITH INTERPRETATION AND REPORT; INCLUDING PERFORMANCE OF CONTINUOUS ELECTROCARDIOGRAPHIC MONITORING, WITH SUPERVISION BY A PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROFESSIONAL
Source: CMS coverage guidance
CPT 93352high
USE OF ECHOCARDIOGRAPHIC CONTRAST AGENT DURING STRESS ECHOCARDIOGRAPHY (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
CPT 0937Thigh
EXTERNAL ELECTROCARDIOGRAPHIC RECORDING FOR GREATER THAN 15 DAYS UP TO 30 DAYS BY CONTINUOUS RHYTHM RECORDING AND STORAGE; INCLUDING RECORDING, SCANNING ANALYSIS WITH REPORT, REVIEW AND INTERPRETATION BY A PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROFESSIONAL
Source: CMS coverage guidance
CPT 0938Thigh
EXTERNAL ELECTROCARDIOGRAPHIC RECORDING FOR GREATER THAN 15 DAYS UP TO 30 DAYS BY CONTINUOUS RHYTHM RECORDING AND STORAGE; RECORDING (INCLUDING CONNECTION AND INITIAL RECORDING)
Source: CMS coverage guidance
CPT 0940Thigh
EXTERNAL ELECTROCARDIOGRAPHIC RECORDING FOR GREATER THAN 15 DAYS UP TO 30 DAYS BY CONTINUOUS RHYTHM RECORDING AND STORAGE; REVIEW AND INTERPRETATION BY A PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROFESSIONAL
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 194849004high
Generalized ischemic myocardial dysfunction
Source: SNOMED International ICD-10 map
SNOMED_CT 472100003high
Ischaemic dilated cardiomyopathy due to coronary artery disease
Source: SNOMED International ICD-10 map
SNOMED_CT 426856002high
Ischemic congestive cardiomyopathy
Source: SNOMED International ICD-10 map
SNOMED_CT 15629541000119106high
Congestive heart failure stage C due to ischaemic cardiomyopathy
Source: SNOMED International ICD-10 map
SNOMED_CT 15629741000119102high
Systolic heart failure stage C due to ischaemic cardiomyopathy
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
I25.5
Common synonyms
Ischemic cardiomyopathy
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.