ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesB06.01

B06.01

Rubella encephalitis

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

Code Description

ICD-10 B06.01 is a billable code used to indicate a diagnosis of rubella encephalitis.

Key Diagnostic Point:

Rubella encephalitis is a rare but serious complication of rubella infection, primarily affecting the central nervous system. It occurs when the rubella virus invades the brain, leading to inflammation and neurological symptoms. Patients may present with fever, headache, seizures, and altered mental status. The condition can develop in individuals who have contracted rubella, particularly in those who are immunocompromised or have not been vaccinated. Diagnosis is typically confirmed through clinical evaluation and serological testing for rubella-specific IgM antibodies. While rubella encephalitis can occur at any age, it is more common in children. The prognosis varies; some patients may recover fully, while others may experience long-term neurological deficits. Vaccination against rubella is crucial in preventing this condition, as the MMR (measles, mumps, rubella) vaccine has significantly reduced the incidence of rubella and its complications, including encephalitis.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires knowledge of rubella's clinical manifestations and complications.
  • Differentiation from other viral encephalitides.
  • Need for accurate serological testing documentation.
  • Potential for misclassification with other encephalitis codes.

Audit Risk Factors

  • Inadequate documentation of vaccination history.
  • Failure to document neurological symptoms clearly.
  • Misdiagnosis or coding of similar encephalitis conditions.
  • Lack of serological test results in the medical record.

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Detailed history of vaccination status and clinical symptoms.

Common Clinical Scenarios

Children presenting with fever and neurological symptoms post-rubella infection.

Billing Considerations

Ensure documentation reflects the timeline of rubella infection and onset of encephalitis.

Infectious Disease

Documentation Requirements

Comprehensive lab results and clinical findings related to rubella infection.

Common Clinical Scenarios

Adults with a history of rubella presenting with neurological symptoms.

Billing Considerations

Consider differential diagnoses and document rationale for rubella encephalitis diagnosis.

Coding Guidelines

Inclusion Criteria

Use B06.01 When
  • Follow official ICD
  • 10 coding guidelines for infectious diseases, ensuring accurate documentation of rubella infection and its complications
  • Include serological test results and clinical symptoms in the medical record

Exclusion Criteria

Do NOT use B06.01 When
No specific exclusions found.

Related CPT Codes

86765CPT Code

Rubella antibody test

Clinical Scenario

Used to confirm rubella infection in patients presenting with encephalitis symptoms.

Documentation Requirements

Document the reason for testing and results in the medical record.

Specialty Considerations

Pediatricians should ensure vaccination history is included.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of rubella-related conditions, improving data accuracy and enhancing the ability to track complications like encephalitis.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of rubella-related conditions, improving data accuracy and enhancing the ability to track complications like encephalitis.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of rubella-related conditions, improving data accuracy and enhancing the ability to track complications like encephalitis.

Resources

Clinical References

  • •
    CDC Rubella Information

Coding & Billing References

  • •
    CDC Rubella Information

Frequently Asked Questions

What are the symptoms of rubella encephalitis?

Symptoms include fever, headache, seizures, confusion, and other neurological signs following a rubella infection.

How is rubella encephalitis diagnosed?

Diagnosis is made through clinical evaluation, serological testing for rubella-specific antibodies, and exclusion of other causes of encephalitis.

What is the role of vaccination in preventing rubella encephalitis?

Vaccination with the MMR vaccine significantly reduces the incidence of rubella and its complications, including encephalitis.