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ICD-10 Guide
ICD-10 CodesB38.89

B38.89

Other forms of coccidioidomycosis

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

Code Description

ICD-10 B38.89 is a billable code used to indicate a diagnosis of other forms of coccidioidomycosis.

Key Diagnostic Point:

Coccidioidomycosis, commonly known as Valley Fever, is a fungal infection caused by the inhalation of spores from the Coccidioides species, primarily C. immitis and C. posadasii. This condition can manifest in various forms, ranging from asymptomatic to severe pulmonary disease, and can disseminate to other organs, particularly in immunocompromised patients. The 'Other forms of coccidioidomycosis' code (B38.89) is used when the infection presents atypically or when the specific form does not fall under the more commonly recognized categories such as pulmonary or disseminated coccidioidomycosis. Symptoms may include fever, cough, chest pain, and fatigue, but can also involve skin lesions, meningitis, or bone involvement in more severe cases. Diagnosis is typically confirmed through serological tests, culture, or histopathological examination. Treatment often involves antifungal medications such as fluconazole or itraconazole, especially in immunocompromised individuals who are at higher risk for severe disease progression. Close monitoring and follow-up are essential to manage potential complications and ensure effective treatment.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of clinical presentations requiring careful assessment.
  • Differentiation from other fungal infections.
  • Need for detailed documentation of symptoms and treatment.
  • Potential for co-infections in immunocompromised patients.

Audit Risk Factors

  • Inadequate documentation of clinical findings.
  • Failure to specify the form of coccidioidomycosis.
  • Misclassification of the severity of the disease.
  • Lack of follow-up documentation on treatment response.

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

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

Common Clinical Scenarios

Patients presenting with respiratory symptoms, fever, or disseminated disease.

Billing Considerations

Consideration of immunocompromised status and potential for atypical presentations.

Pulmonology

Documentation Requirements

Pulmonary function tests, imaging studies, and treatment response documentation.

Common Clinical Scenarios

Patients with chronic cough, pleuritic chest pain, or abnormal chest imaging.

Billing Considerations

Need for clear documentation of pulmonary involvement and any associated complications.

Coding Guidelines

Inclusion Criteria

Use B38.89 When
  • According to ICD
  • 10 guidelines, B38
  • 89 should be used when the specific form of coccidioidomycosis is not classified elsewhere
  • Coders must ensure that the documentation supports the diagnosis and that other more specific codes are not applicable

Exclusion Criteria

Do NOT use B38.89 When
No specific exclusions found.

Related CPT Codes

87481CPT Code

Coccidioides serology test

Clinical Scenario

When a patient presents with symptoms suggestive of coccidioidomycosis.

Documentation Requirements

Document the clinical rationale for testing and results.

Specialty Considerations

Infectious disease specialists should ensure comprehensive documentation of the patient's history and risk factors.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of coccidioidomycosis, enabling better tracking of disease prevalence and treatment outcomes. B38.89 provides a means to capture atypical presentations that may have been previously underreported.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of coccidioidomycosis, enabling better tracking of disease prevalence and treatment outcomes. B38.89 provides a means to capture atypical presentations that may have been previously underreported.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of coccidioidomycosis, enabling better tracking of disease prevalence and treatment outcomes. B38.89 provides a means to capture atypical presentations that may have been previously underreported.

Resources

Clinical References

  • •
    CDC Coccidioidomycosis Information

Coding & Billing References

  • •
    CDC Coccidioidomycosis Information

Frequently Asked Questions

What are the common symptoms of coccidioidomycosis?

Common symptoms include fever, cough, chest pain, fatigue, and in severe cases, skin lesions or neurological symptoms.

How is coccidioidomycosis treated?

Treatment typically involves antifungal medications such as fluconazole or itraconazole, especially in patients with severe or disseminated disease.