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ICD-10 Guide
ICD-10 CodesA05.3

A05.3

Foodborne Vibrio parahaemolyticus intoxication

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

Code Description

ICD-10 A05.3 is a billable code used to indicate a diagnosis of foodborne vibrio parahaemolyticus intoxication.

Key Diagnostic Point:

Foodborne illness caused by the consumption of food contaminated with Vibrio parahaemolyticus, a bacterium commonly found in marine environments.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Incubation period variability
  • Symptom severity variation

Audit Risk Factors

    Specialty Focus

    Medical Specialties

    Infectious Disease

    Documentation Requirements

    Detailed patient history including food consumption and symptom onset.

    Common Clinical Scenarios

    Patients presenting with diarrhea, abdominal cramps, and vomiting after seafood consumption.

    Billing Considerations

    Consider potential co-infections with other pathogens.

    Coding Guidelines

    Inclusion Criteria

    Use A05.3 When
    • Ensure accurate documentation of symptoms and food history to support the diagnosis of foodborne illness

    Exclusion Criteria

    Do NOT use A05.3 When
    No specific exclusions found.

    Related CPT Codes

    87556CPT Code

    Molecular detection of Vibrio parahaemolyticus

    Clinical Scenario

    Testing stool samples for Vibrio parahaemolyticus in suspected cases.

    Documentation Requirements

    Document clinical symptoms and food history.

    Specialty Considerations

    Infectious disease specialists may require additional testing.

    ICD-10 Impact

    Diagnostic & Documentation Impact

    Enhanced Specificity

    ICD-10 Improvements

    Accurate coding impacts public health reporting and epidemiological tracking of foodborne illnesses.

    ICD-9 vs ICD-10

    Accurate coding impacts public health reporting and epidemiological tracking of foodborne illnesses.

    Reimbursement & Billing Impact

    Accurate coding impacts public health reporting and epidemiological tracking of foodborne illnesses.

    Resources

    Clinical References

    • •
      CDC - Vibrio parahaemolyticus

    Coding & Billing References

    • •
      CDC - Vibrio parahaemolyticus

    Frequently Asked Questions

    What are the common symptoms of Vibrio parahaemolyticus intoxication?

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

    How is Vibrio parahaemolyticus diagnosed?

    Diagnosis is typically made through stool culture or molecular testing for the bacteria.