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ICD-10 Guide
ICD-10 CodesB57.32

B57.32

Megacolon in Chagas' disease

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

Code Description

ICD-10 B57.32 is a billable code used to indicate a diagnosis of megacolon in chagas' disease.

Key Diagnostic Point:

Megacolon is a severe complication of Chagas' disease, which is caused by the protozoan parasite Trypanosoma cruzi. This condition arises from chronic inflammation and degeneration of the colonic muscle, leading to significant dilation of the colon. Patients may experience symptoms such as abdominal pain, constipation, and bowel obstruction. The pathophysiology involves the destruction of the autonomic nerve fibers in the colon, which disrupts normal peristalsis and results in the accumulation of fecal matter. Diagnosis typically involves clinical evaluation, imaging studies, and sometimes endoscopy to assess the extent of colonic dilation. Treatment options may include dietary modifications, laxatives, and in severe cases, surgical intervention such as colectomy. Early recognition and management are crucial to prevent complications such as perforation or severe constipation, which can lead to life-threatening conditions.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires knowledge of tropical diseases and their complications.
  • Differentiation from other forms of megacolon.
  • Understanding of the pathophysiology related to Chagas' disease.
  • Documentation of chronicity and severity of symptoms.

Audit Risk Factors

  • Inadequate documentation of the diagnosis.
  • Failure to document the chronic nature of the condition.
  • Misclassification of megacolon due to other causes.
  • Lack of supporting evidence for treatment protocols.

Specialty Focus

Medical Specialties

Gastroenterology

Documentation Requirements

Detailed clinical notes on symptoms, diagnostic tests, and treatment plans.

Common Clinical Scenarios

Patients presenting with constipation, abdominal pain, or bowel obstruction.

Billing Considerations

Need for thorough documentation of the patient's history with Chagas' disease.

Infectious Disease

Documentation Requirements

Comprehensive history of travel, exposure, and diagnostic testing for Chagas' disease.

Common Clinical Scenarios

Patients with a history of Chagas' disease presenting with gastrointestinal symptoms.

Billing Considerations

Understanding of the epidemiology and treatment options for Chagas' disease.

Coding Guidelines

Inclusion Criteria

Use B57.32 When
  • According to ICD
  • 10 guidelines, B57
  • 32 should be used when the megacolon is specifically due to Chagas' disease
  • Coders must ensure that the documentation supports the diagnosis and reflects the chronic nature of the condition

Exclusion Criteria

Do NOT use B57.32 When
  • Exclusion criteria include other causes of megacolon

Related CPT Codes

44150CPT Code

Colectomy, partial

Clinical Scenario

Used when surgical intervention is required for megacolon.

Documentation Requirements

Operative report detailing the procedure and indication.

Specialty Considerations

Gastroenterology or surgical specialty documentation.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of conditions like megacolon in Chagas' disease, improving data accuracy and facilitating better patient management. It emphasizes the need for detailed documentation to support the diagnosis.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like megacolon in Chagas' disease, improving data accuracy and facilitating better patient management. It emphasizes the need for detailed documentation to support the diagnosis.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of conditions like megacolon in Chagas' disease, improving data accuracy and facilitating better patient management. It emphasizes the need for detailed documentation to support the diagnosis.

Resources

Clinical References

  • •
    CDC Chagas Disease Information

Coding & Billing References

  • •
    CDC Chagas Disease Information

Frequently Asked Questions

What is the primary cause of megacolon in Chagas' disease?

The primary cause is the destruction of the autonomic nerve fibers in the colon due to the Trypanosoma cruzi infection, leading to impaired motility and dilation.