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ICD-10 Guide
ICD-10 CodesI25.5

I25.5

Billable

Ischemic cardiomyopathy

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 I25.5 is a billable code used to indicate a diagnosis of ischemic cardiomyopathy.

Key Diagnostic Point:

Ischemic cardiomyopathy (ICM) is a condition characterized by the weakening of the heart muscle due to inadequate blood supply, often resulting from coronary artery disease (CAD). Clinically, patients may present with symptoms such as dyspnea, fatigue, and palpitations, which can progress to heart failure if left untreated. The anatomy involved primarily includes the myocardium, which becomes ischemic due to narrowed or blocked coronary arteries. Over time, the heart muscle may undergo remodeling, leading to dilatation and impaired contractility. Diagnostic considerations for ICM include echocardiography, which assesses left ventricular function, and coronary angiography to evaluate the extent of coronary artery disease. Other tests may include cardiac MRI and stress testing to determine the functional capacity of the heart. The diagnosis of ICM is often made in conjunction with a history of myocardial infarction or chronic angina, emphasizing the need for a comprehensive evaluation of the patient's cardiovascular health.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires thorough evaluation of cardiac function and history of ischemic events.
  • Treatment complexity: Management may involve lifestyle changes, medications, and possibly surgical interventions.
  • Documentation requirements: Detailed clinical documentation is necessary to support the diagnosis and treatment plan.
  • Coding specificity: Requires accurate coding to differentiate from other forms of cardiomyopathy.

Audit Risk Factors

  • Common coding errors: Misclassification of ischemic cardiomyopathy with other heart conditions.
  • Documentation gaps: Incomplete patient history or lack of supporting diagnostic tests.
  • Billing challenges: Potential denials due to insufficient documentation or failure to meet medical necessity.

Specialty Focus

Medical Specialties

Cardiology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Internal Medicine

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Ischemic cardiomyopathy has significant clinical implications, contributing to heart failure and increased morbidity and mortality rates in affected populations. It is a leading cause of hospitalizations and healthcare utilization, impacting overall population health. Quality measures often focus on the management of ischemic heart disease and heart failure, highlighting the importance of early diagnosis and effective treatment strategies to improve patient outcomes.

ICD-9 vs ICD-10

Ischemic cardiomyopathy has significant clinical implications, contributing to heart failure and increased morbidity and mortality rates in affected populations. It is a leading cause of hospitalizations and healthcare utilization, impacting overall population health. Quality measures often focus on the management of ischemic heart disease and heart failure, highlighting the importance of early diagnosis and effective treatment strategies to improve patient outcomes.

Reimbursement & Billing Impact

Reimbursement considerations include the need for thorough documentation to support the diagnosis and medical necessity for procedures. Common denials may arise from insufficient documentation or failure to demonstrate the severity of the condition. Best practices include ensuring that all relevant clinical information is included in the medical record and that coding accurately reflects the patient's diagnosis and treatment.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for I00-I99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for I00-I99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by I25.5?

I25.5 covers ischemic cardiomyopathy resulting from chronic ischemia, typically due to coronary artery disease. It includes patients with a history of myocardial infarction or chronic angina that leads to heart muscle dysfunction.

When should I25.5 be used instead of related codes?

I25.5 should be used when there is clear evidence of heart muscle impairment due to ischemia, particularly when associated with a history of coronary artery disease. It is distinct from codes that refer to non-ischemic cardiomyopathy or other heart conditions.

What documentation supports I25.5?

Documentation should include a detailed patient history, results from diagnostic tests such as echocardiograms or angiograms, and evidence of ischemic heart disease. Clinical notes should reflect symptoms, treatment plans, and follow-up assessments.