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ICD-10 Guide
ICD-10 CodesB08.7

B08.7

Viral meningitis, unspecified

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

Code Description

ICD-10 B08.7 is a billable code used to indicate a diagnosis of viral meningitis, unspecified.

Key Diagnostic Point:

Viral meningitis is an inflammation of the protective membranes covering the brain and spinal cord, primarily caused by viral infections. Common viral pathogens include enteroviruses, herpes simplex virus, and mumps virus. Symptoms typically include fever, headache, stiff neck, and sensitivity to light. Diagnosis is often confirmed through lumbar puncture, which reveals an elevated white blood cell count with a predominance of lymphocytes and normal glucose levels. Unlike bacterial meningitis, viral meningitis is generally less severe and often resolves without specific treatment. However, it can lead to complications such as seizures, long-term neurological deficits, or, in rare cases, death. Vaccination against certain viruses, such as mumps and varicella, can help prevent some cases of viral meningitis. The unspecified nature of this code indicates that the specific viral etiology has not been determined or documented, which can complicate treatment and management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Unspecified nature of the code can lead to ambiguity in documentation.
  • Differentiating between viral and bacterial meningitis requires careful clinical assessment.
  • Potential overlap with other codes for viral infections may cause confusion.
  • Documentation must clearly indicate the absence of bacterial infection to justify the use of this code.

Audit Risk Factors

  • Inadequate documentation of symptoms and clinical findings.
  • Failure to specify the viral etiology when known.
  • Misclassification of viral meningitis as bacterial meningitis.
  • Lack of follow-up documentation regarding patient outcomes.

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Detailed clinical history, laboratory results, and treatment plans.

Common Clinical Scenarios

Patients presenting with fever and neurological symptoms, requiring differential diagnosis.

Billing Considerations

Documentation must specify the viral agent when known and differentiate from other types of meningitis.

Pediatrics

Documentation Requirements

Growth and development assessments, vaccination history, and family medical history.

Common Clinical Scenarios

Children presenting with viral infections leading to meningitis symptoms.

Billing Considerations

Consideration of vaccination status and age-related risks for specific viral infections.

Coding Guidelines

Inclusion Criteria

Use B08.7 When
  • Follow official ICD
  • 10 coding guidelines, ensuring that documentation supports the diagnosis of viral meningitis
  • Ensure that clinical findings and laboratory results are well
  • documented

Exclusion Criteria

Do NOT use B08.7 When
  • Exclude bacterial meningitis codes when using B08

Related CPT Codes

62270CPT Code

Lumbar puncture, diagnostic

Clinical Scenario

Used to confirm diagnosis of viral meningitis.

Documentation Requirements

Document indication for lumbar puncture and results.

Specialty Considerations

Infectious disease specialists should ensure thorough documentation of findings.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of viral meningitis, improving data accuracy and facilitating better patient management. However, it requires coders to be more diligent in documentation and understanding of the condition.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of viral meningitis, improving data accuracy and facilitating better patient management. However, it requires coders to be more diligent in documentation and understanding of the condition.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of viral meningitis, improving data accuracy and facilitating better patient management. However, it requires coders to be more diligent in documentation and understanding of the condition.

Resources

Clinical References

  • •
    CDC Viral Meningitis Information

Coding & Billing References

  • •
    CDC Viral Meningitis Information

Frequently Asked Questions

What are the common causes of viral meningitis?

Common causes include enteroviruses, herpes simplex virus, and mumps virus. Vaccination can prevent some of these infections.