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v1.0.0
ICD-10 Guide
ICD-10 CodesB47.0

B47.0

Mycetoma

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

Code Description

ICD-10 B47.0 is a billable code used to indicate a diagnosis of mycetoma.

Key Diagnostic Point:

Mycetoma, also known as 'Madura foot', is a chronic granulomatous disease caused by fungal infections, primarily affecting the skin, subcutaneous tissue, and bone. It is characterized by the formation of painless, swollen nodules that can eventually lead to tissue destruction and deformity. The condition is typically caused by a variety of fungi, including those from the genera Acremonium, Aspergillus, and Madurella. Mycetoma is endemic in tropical and subtropical regions, often associated with agricultural activities. Patients may present with symptoms such as swelling, discharge of pus, and the presence of grains (colored particles) in the exudate. Diagnosis is confirmed through culture and histopathological examination. Treatment often involves antifungal medications, such as itraconazole or voriconazole, and in some cases, surgical intervention may be necessary. Immunocompromised patients are at a higher risk for severe manifestations of mycetoma, necessitating careful management and monitoring.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of causative organisms complicating diagnosis.
  • Potential for misdiagnosis with other granulomatous diseases.
  • Need for specific laboratory tests to confirm fungal species.
  • Variability in treatment protocols based on organism type.

Audit Risk Factors

  • Inadequate documentation of the causative organism.
  • Failure to document immunocompromised status.
  • Misclassification of mycetoma as a non-fungal infection.
  • Lack of detailed treatment plans in medical records.

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Detailed history of exposure, laboratory results, and treatment response.

Common Clinical Scenarios

Patients presenting with chronic skin lesions and history of travel to endemic areas.

Billing Considerations

Need for comprehensive fungal cultures and sensitivity testing.

Dermatology

Documentation Requirements

Photographic evidence of lesions, biopsy results, and treatment history.

Common Clinical Scenarios

Patients with chronic nodular lesions on extremities.

Billing Considerations

Differentiation from other skin conditions such as sarcoidosis or leprosy.

Coding Guidelines

Inclusion Criteria

Use B47.0 When
  • Follow the official ICD
  • CM coding guidelines for infectious diseases
  • Ensure accurate documentation of the causative organism and any underlying immunocompromised conditions
  • Mycetoma should be coded based on the specific type of organism identified

Exclusion Criteria

Do NOT use B47.0 When
No specific exclusions found.

Related CPT Codes

88305CPT Code

Pathology examination, surgical

Clinical Scenario

Used when a biopsy is performed to confirm mycetoma.

Documentation Requirements

Pathology report and clinical notes detailing the lesion.

Specialty Considerations

Ensure the biopsy is documented as related to suspected mycetoma.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of mycetoma, improving the accuracy of epidemiological data and treatment outcomes. It has also facilitated better tracking of fungal infections in immunocompromised populations.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of mycetoma, improving the accuracy of epidemiological data and treatment outcomes. It has also facilitated better tracking of fungal infections in immunocompromised populations.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of mycetoma, improving the accuracy of epidemiological data and treatment outcomes. It has also facilitated better tracking of fungal infections in immunocompromised populations.

Resources

Clinical References

  • •
    CDC Fungal Diseases

Coding & Billing References

  • •
    CDC Fungal Diseases

Frequently Asked Questions

What is the primary cause of mycetoma?

Mycetoma is primarily caused by fungal infections, with Madurella mycetomatis being the most common organism identified.

How is mycetoma diagnosed?

Diagnosis is made through clinical examination, imaging studies, and microbiological culture of the organism.

What are the treatment options for mycetoma?

Treatment typically involves antifungal medications such as itraconazole or voriconazole, and surgical intervention may be necessary in severe cases.