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ICD-10 Guide
ICD-10 CodesA98.2

A98.2

Yellow fever with other visceral involvement

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

Code Description

ICD-10 A98.2 is a billable code used to indicate a diagnosis of yellow fever with other visceral involvement.

Key Diagnostic Point:

Yellow fever is a viral hemorrhagic disease caused by the yellow fever virus, which is transmitted by infected mosquitoes, primarily Aedes aegypti. The disease is endemic in tropical regions of Africa and South America. Patients may present with fever, chills, loss of appetite, muscle pain, and headaches, which can progress to more severe symptoms including liver damage, jaundice, and hemorrhagic manifestations. The 'other visceral involvement' aspect indicates that the disease has affected organs beyond the liver, such as the kidneys or heart, leading to multi-organ dysfunction. Diagnosis is typically confirmed through serological tests or PCR. Travel history to endemic areas is crucial for diagnosis, as it helps establish the likelihood of exposure to the virus. Vaccination is the primary preventive measure, and those who are unvaccinated and travel to endemic regions are at significant risk of contracting the disease.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires detailed travel history to endemic areas.
  • Differentiation from other viral hemorrhagic fevers.
  • Documentation of visceral involvement can be complex.
  • Need for accurate laboratory confirmation.

Audit Risk Factors

  • Inadequate documentation of travel history.
  • Failure to document specific visceral involvement.
  • Misclassification with other hemorrhagic fevers.
  • Lack of laboratory confirmation in records.

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Detailed travel history, laboratory results, and clinical findings related to visceral involvement.

Common Clinical Scenarios

Patients presenting with fever and jaundice after travel to endemic areas.

Billing Considerations

Ensure all symptoms and laboratory findings are documented to support the diagnosis.

Emergency Medicine

Documentation Requirements

Immediate assessment of symptoms, travel history, and initial lab tests.

Common Clinical Scenarios

Patients with acute febrile illness after returning from travel.

Billing Considerations

Rapid identification and documentation of potential yellow fever cases to initiate appropriate treatment.

Coding Guidelines

Inclusion Criteria

Use A98.2 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the patient's travel history, clinical symptoms, and laboratory findings
  • Include any relevant co
  • morbidities and complications

Exclusion Criteria

Do NOT use A98.2 When
No specific exclusions found.

Related CPT Codes

86790CPT Code

Antibody test for yellow fever virus

Clinical Scenario

Used when yellow fever is suspected based on travel history and symptoms.

Documentation Requirements

Document the reason for testing and clinical findings.

Specialty Considerations

Infectious disease specialists should ensure comprehensive documentation of the patient's travel history.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of yellow fever, including the differentiation of cases with visceral involvement, which enhances the accuracy of epidemiological tracking and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of yellow fever, including the differentiation of cases with visceral involvement, which enhances the accuracy of epidemiological tracking and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of yellow fever, including the differentiation of cases with visceral involvement, which enhances the accuracy of epidemiological tracking and resource allocation.

Resources

Clinical References

  • •
    CDC Yellow Fever Information

Coding & Billing References

  • •
    CDC Yellow Fever Information

Frequently Asked Questions

What are the symptoms of yellow fever?

Symptoms include fever, chills, loss of appetite, muscle pain, and headaches, which can progress to jaundice and hemorrhagic manifestations.

How is yellow fever diagnosed?

Diagnosis is made based on clinical presentation, travel history, and laboratory tests such as serology or PCR.