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v1.0.0
ICD-10 Guide
ICD-10 CodesA08.4

A08.4

Viral intestinal infection, unspecified

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/04/2025

Code Description

ICD-10 A08.4 is a billable code used to indicate a diagnosis of viral intestinal infection, unspecified.

Key Diagnostic Point:

A viral infection affecting the intestines, characterized by symptoms such as diarrhea, vomiting, and abdominal pain, without a specific viral agent identified.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of viral agents
  • Symptom overlap with other gastrointestinal conditions

Audit Risk Factors

    Specialty Focus

    Medical Specialties

    Gastroenterology

    Documentation Requirements

    Detailed patient history, symptom description, and any laboratory test results.

    Common Clinical Scenarios

    Acute gastroenteritis presentation in outpatient settings.

    Billing Considerations

    Consideration of recent travel history or exposure to outbreaks.

    Coding Guidelines

    Inclusion Criteria

    Use A08.4 When
    • Use this code when the specific viral agent is not identified, and symptoms are present
    • Ensure to document all relevant clinical findings

    Exclusion Criteria

    Do NOT use A08.4 When
    No specific exclusions found.

    Related CPT Codes

    87530CPT Code

    Viral panel testing

    Clinical Scenario

    Testing for viral pathogens in patients with gastrointestinal symptoms.

    Documentation Requirements

    Document rationale for testing based on clinical presentation.

    Specialty Considerations

    Gastroenterologists may require specific viral testing based on patient history.

    ICD-10 Impact

    Diagnostic & Documentation Impact

    Enhanced Specificity

    ICD-10 Improvements

    The introduction of ICD-10 allows for more specific coding of viral infections, improving data accuracy for epidemiological tracking.

    ICD-9 vs ICD-10

    The introduction of ICD-10 allows for more specific coding of viral infections, improving data accuracy for epidemiological tracking.

    Reimbursement & Billing Impact

    The introduction of ICD-10 allows for more specific coding of viral infections, improving data accuracy for epidemiological tracking.

    Resources

    Clinical References

    • •
      CDC Viral Gastroenteritis Information

    Coding & Billing References

    • •
      CDC Viral Gastroenteritis Information

    Frequently Asked Questions

    What symptoms indicate a viral intestinal infection?

    Common symptoms include diarrhea, vomiting, abdominal cramps, and sometimes fever.

    How do I differentiate between viral and bacterial gastroenteritis?

    Viral gastroenteritis typically has a more abrupt onset and is often associated with outbreaks, while bacterial infections may have a longer incubation period and can be linked to specific food sources.