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v1.0.0
ICD-10 Guide
ICD-10 CodesA93.8

A93.8

Other specified arthropod-borne viral diseases

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

Code Description

ICD-10 A93.8 is a billable code used to indicate a diagnosis of other specified arthropod-borne viral diseases.

Key Diagnostic Point:

A93.8 encompasses a variety of viral diseases transmitted by arthropods, particularly mosquitoes and ticks. These diseases can include, but are not limited to, infections caused by viruses such as Chikungunya, Zika, and various strains of the West Nile virus. Clinically, patients may present with symptoms ranging from mild febrile illness to severe neurological manifestations, depending on the specific virus involved. Hemorrhagic fevers, such as those caused by the Crimean-Congo hemorrhagic fever virus, may also fall under this category, characterized by high mortality rates and severe systemic involvement. Travel history is crucial in diagnosing these conditions, as many arthropod-borne viruses are endemic to specific geographic regions. A thorough travel history can aid in identifying potential exposures and guiding appropriate diagnostic testing and management. Given the potential for outbreaks and the public health implications of these diseases, accurate coding is essential for epidemiological tracking and resource allocation.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of diseases included under the code
  • Need for detailed travel history documentation
  • Differentiation from other viral diseases
  • Potential for overlapping symptoms with other conditions

Audit Risk Factors

  • Inadequate documentation of travel history
  • Failure to specify the exact viral disease when applicable
  • Misclassification of symptoms as non-specific viral illness
  • Lack of laboratory confirmation for the specific virus

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Detailed patient history including travel, exposure, and symptom onset.

Common Clinical Scenarios

Patients presenting with fever, rash, and joint pain after travel to endemic areas.

Billing Considerations

Consideration of co-infections and the need for serological testing.

Emergency Medicine

Documentation Requirements

Comprehensive assessment of symptoms and travel history.

Common Clinical Scenarios

Patients presenting with acute febrile illness after returning from travel.

Billing Considerations

Rapid assessment and potential isolation protocols for suspected cases.

Coding Guidelines

Inclusion Criteria

Use A93.8 When
  • According to ICD
  • 10 coding guidelines, A93
  • 8 should be used when a specific arthropod
  • borne viral disease is not classified elsewhere
  • Coders must ensure that the documentation supports the use of this code, particularly in relation to travel history and clinical symptoms

Exclusion Criteria

Do NOT use A93.8 When
No specific exclusions found.

Related CPT Codes

86790CPT Code

Antibody test for arboviral infections

Clinical Scenario

Used when testing for specific arboviral infections in patients with suspected arthropod-borne viral diseases.

Documentation Requirements

Document the clinical rationale for testing and any relevant travel history.

Specialty Considerations

Infectious disease specialists may require additional serological tests based on clinical presentation.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of arthropod-borne viral diseases, improving the ability to track outbreaks and allocate resources effectively. A93.8 provides a means to capture cases that do not fit neatly into other categories, enhancing epidemiological data collection.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of arthropod-borne viral diseases, improving the ability to track outbreaks and allocate resources effectively. A93.8 provides a means to capture cases that do not fit neatly into other categories, enhancing epidemiological data collection.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    CDC Arboviral Diseases

Coding & Billing References

  • •
    CDC Arboviral Diseases

Frequently Asked Questions

What should be documented to support the use of A93.8?

Documentation should include a detailed travel history, clinical symptoms, and any laboratory test results that confirm the diagnosis of an arthropod-borne viral disease.