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ICD-10 Guide
ICD-10 CodesA39.8

A39.8

Other specified meningococcal infections

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

Code Description

ICD-10 A39.8 is a billable code used to indicate a diagnosis of other specified meningococcal infections.

Key Diagnostic Point:

Meningococcal infections are caused by the bacterium Neisseria meningitidis, which can lead to severe illnesses such as meningitis and septicemia. The term 'Other specified meningococcal infections' encompasses various clinical presentations that do not fall under the more commonly recognized categories of meningococcal meningitis or meningococcemia. These infections can manifest in atypical forms, including localized infections or rare syndromes associated with Neisseria meningitidis. Clinical symptoms may vary widely, including fever, headache, neck stiffness, and altered mental status, depending on the site of infection. Diagnosis typically involves lumbar puncture for cerebrospinal fluid analysis, blood cultures, and PCR testing. Treatment protocols generally include the use of broad-spectrum antibiotics, such as ceftriaxone or penicillin, and may require adjunctive therapies for severe cases. Resistance patterns can vary, with some strains showing reduced susceptibility to penicillin, necessitating careful selection of antimicrobial therapy. Early recognition and treatment are crucial to improving outcomes and preventing complications.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of clinical presentations
  • Need for precise documentation of infection type
  • Differentiation from other bacterial infections
  • Potential for co-infections

Audit Risk Factors

  • Inadequate documentation of clinical findings
  • Failure to specify the type of meningococcal infection
  • Incorrect linkage of diagnosis to treatment
  • Misidentification of co-infections

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Detailed clinical notes on infection type, treatment response, and follow-up care.

Common Clinical Scenarios

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

Billing Considerations

Ensure all laboratory results and treatment plans are documented to support coding.

Pediatrics

Documentation Requirements

Thorough history and physical examination notes, including vaccination status.

Common Clinical Scenarios

Children with sudden onset of fever and rash, potentially indicating meningococcal disease.

Billing Considerations

Consider age-specific presentations and vaccination history in documentation.

Coding Guidelines

Inclusion Criteria

Use A39.8 When
  • Follow ICD
  • CM guidelines for coding infectious diseases, ensuring specificity in documentation
  • Include any relevant laboratory findings and treatment details to support the diagnosis

Exclusion Criteria

Do NOT use A39.8 When
No specific exclusions found.

Related CPT Codes

87040CPT Code

Culture, bacterial, any source

Clinical Scenario

Used when obtaining cultures to confirm meningococcal infection.

Documentation Requirements

Document the source of the culture and results.

Specialty Considerations

Infectious disease specialists should ensure all relevant cultures are ordered.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for greater specificity in coding meningococcal infections, enabling better tracking of infection types and treatment outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding meningococcal infections, enabling better tracking of infection types and treatment outcomes.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for greater specificity in coding meningococcal infections, enabling better tracking of infection types and treatment outcomes.

Resources

Clinical References

  • •
    CDC Meningococcal Disease Information

Coding & Billing References

  • •
    CDC Meningococcal Disease Information

Frequently Asked Questions

What are the common symptoms of meningococcal infections?

Common symptoms include fever, headache, stiff neck, nausea, vomiting, and altered mental status. A rash may also be present in some cases.

How is meningococcal infection diagnosed?

Diagnosis typically involves clinical evaluation, lumbar puncture for cerebrospinal fluid analysis, and blood cultures to identify Neisseria meningitidis.