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v1.0.0
ICD-10 Guide
ICD-10 CodesB57.3

B57.3

Chagas disease with heart involvement

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 B57.3 is a billable code used to indicate a diagnosis of chagas disease with heart involvement.

Key Diagnostic Point:

Chagas disease, caused by the protozoan parasite Trypanosoma cruzi, is endemic to parts of Latin America and can lead to significant morbidity and mortality. The acute phase of the disease may present with mild symptoms or be asymptomatic, but the chronic phase can develop years later, often resulting in severe cardiac complications. Heart involvement, known as Chagas cardiomyopathy, is characterized by arrhythmias, heart failure, and an increased risk of sudden cardiac death. Patients may experience symptoms such as palpitations, fatigue, and chest pain. Diagnosis typically involves serological tests to detect antibodies against T. cruzi, and echocardiography may reveal structural heart changes. Treatment focuses on antiparasitic medications like benznidazole or nifurtimox, particularly in the acute phase, while managing cardiac symptoms may require beta-blockers, ACE inhibitors, or other heart failure therapies. Regular follow-up is essential to monitor for progression of cardiac involvement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between acute and chronic phases of Chagas disease
  • Identifying specific cardiac manifestations and their severity
  • Understanding the geographic prevalence and risk factors
  • Documenting the presence of co-morbid conditions

Audit Risk Factors

  • Inadequate documentation of cardiac symptoms
  • Failure to specify the chronic phase of the disease
  • Misclassification of the disease severity
  • Lack of supporting lab results for diagnosis

Specialty Focus

Medical Specialties

Cardiology

Documentation Requirements

Detailed cardiac assessment, including echocardiogram results and arrhythmia documentation.

Common Clinical Scenarios

Patients presenting with heart failure symptoms or arrhythmias related to Chagas disease.

Billing Considerations

Ensure that all cardiac symptoms and their relation to Chagas disease are clearly documented.

Infectious Disease

Documentation Requirements

Serological test results, travel history, and exposure risk factors.

Common Clinical Scenarios

Patients with a history of travel to endemic areas presenting with unexplained cardiac symptoms.

Billing Considerations

Document the timeline of symptoms and any previous treatments for accurate coding.

Coding Guidelines

Inclusion Criteria

Use B57.3 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the disease phase and any associated cardiac conditions
  • Include relevant lab results and clinical findings to support the diagnosis

Exclusion Criteria

Do NOT use B57.3 When
No specific exclusions found.

Related CPT Codes

93000CPT Code

Electrocardiogram, ECG

Clinical Scenario

Used to evaluate arrhythmias in patients with Chagas disease.

Documentation Requirements

Document the reason for the ECG and any findings.

Specialty Considerations

Cardiology specialists should ensure thorough documentation of arrhythmias.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of Chagas disease, particularly in distinguishing between phases and complications, which aids in better tracking and management of the disease.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of Chagas disease, particularly in distinguishing between phases and complications, which aids in better tracking and management of the disease.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of Chagas disease, particularly in distinguishing between phases and complications, which aids in better tracking and management of the disease.

Resources

Clinical References

  • •
    CDC Chagas Disease Information

Coding & Billing References

  • •
    CDC Chagas Disease Information

Frequently Asked Questions

What are the common symptoms of Chagas disease with heart involvement?

Common symptoms include palpitations, fatigue, chest pain, and signs of heart failure such as shortness of breath and swelling in the legs.

How is Chagas disease diagnosed?

Diagnosis is typically made through serological tests that detect antibodies against Trypanosoma cruzi, along with clinical evaluation and imaging studies.