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v1.0.0
ICD-10 Guide
ICD-10 CodesB37.5

B37.5

Candidal meningitis

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

Code Description

ICD-10 B37.5 is a billable code used to indicate a diagnosis of candidal meningitis.

Key Diagnostic Point:

Candidal meningitis is a rare but serious fungal infection of the central nervous system caused by Candida species, most commonly Candida albicans. This condition typically occurs in immunocompromised patients, such as those with HIV/AIDS, cancer, or those undergoing immunosuppressive therapy. The infection can manifest as a result of hematogenous spread from a primary site, often in the bloodstream, or through direct extension from adjacent structures. Symptoms may include fever, headache, neck stiffness, altered mental status, and other neurological deficits. Diagnosis is confirmed through lumbar puncture and analysis of cerebrospinal fluid (CSF), which may show elevated white blood cell counts, particularly lymphocytes, and the presence of Candida organisms. Treatment usually involves antifungal therapy, with agents such as amphotericin B or fluconazole, and may require prolonged courses depending on the severity of the infection and the patient's immune status. Early recognition and treatment are crucial to improve outcomes in affected patients.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Requires understanding of fungal infections and their implications in immunocompromised patients.
  • Differentiation from other types of meningitis (bacterial, viral) is necessary.
  • Documentation must reflect the patient's immunocompromised status and treatment response.
  • Potential for co-infections complicating the clinical picture.

Audit Risk Factors

  • Inadequate documentation of the patient's immunocompromised status.
  • Failure to document the specific Candida species involved.
  • Lack of clarity in treatment plans and response to antifungal therapy.
  • Misclassification of the type of meningitis (fungal vs. bacterial).

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Detailed history of immunocompromised conditions, laboratory results, and treatment plans.

Common Clinical Scenarios

Patients with HIV/AIDS presenting with neurological symptoms, or those undergoing chemotherapy.

Billing Considerations

Need for thorough documentation of antifungal therapy and monitoring of treatment response.

Neurology

Documentation Requirements

Neurological examination findings, imaging results, and CSF analysis.

Common Clinical Scenarios

Patients presenting with altered mental status and signs of meningitis.

Billing Considerations

Documentation must clearly differentiate between types of meningitis and include all relevant neurological assessments.

Coding Guidelines

Inclusion Criteria

Use B37.5 When
  • According to ICD
  • 10 coding guidelines, B37
  • 5 should be used when the diagnosis of candidal meningitis is confirmed through clinical and laboratory findings
  • It is important to document the patient's immunocompromised status and any relevant treatment details

Exclusion Criteria

Do NOT use B37.5 When
  • Exclusions include other types of meningitis that are not fungal in nature

Related CPT Codes

62270CPT Code

Lumbar puncture

Clinical Scenario

Used to obtain CSF for analysis in suspected meningitis cases.

Documentation Requirements

Document indication for lumbar puncture and findings from CSF analysis.

Specialty Considerations

Neurology and Infectious Disease specialists should ensure thorough documentation of the procedure and results.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of candidal meningitis, improving the ability to track and manage this rare but serious condition. It emphasizes the importance of documenting the patient's immunocompromised status and the specific treatment provided.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of candidal meningitis, improving the ability to track and manage this rare but serious condition. It emphasizes the importance of documenting the patient's immunocompromised status and the specific treatment provided.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of candidal meningitis, improving the ability to track and manage this rare but serious condition. It emphasizes the importance of documenting the patient's immunocompromised status and the specific treatment provided.

Resources

Clinical References

  • •
    CDC - Fungal Diseases

Coding & Billing References

  • •
    CDC - Fungal Diseases

Frequently Asked Questions

What are the common symptoms of candidal meningitis?

Common symptoms include fever, headache, neck stiffness, altered mental status, and neurological deficits. Patients may also present with signs of systemic candidiasis.