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v1.0.0
ICD-10 Guide
ICD-10 CodesA05.0

A05.0

Foodborne staphylococcal intoxication

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

Code Description

ICD-10 A05.0 is a billable code used to indicate a diagnosis of foodborne staphylococcal intoxication.

Key Diagnostic Point:

A type of food poisoning caused by ingesting food contaminated with toxins produced by Staphylococcus aureus.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of symptoms
  • Potential for severe dehydration

Audit Risk Factors

    Specialty Focus

    Medical Specialties

    Infectious Disease

    Documentation Requirements

    Detailed patient history including food intake and symptom onset.

    Common Clinical Scenarios

    Patient presents with nausea, vomiting, and diarrhea after a family gathering.

    Billing Considerations

    Consider potential outbreaks in communal settings.

    Coding Guidelines

    Inclusion Criteria

    Use A05.0 When
    • Ensure accurate documentation of symptoms and food history to support the diagnosis

    Exclusion Criteria

    Do NOT use A05.0 When
    No specific exclusions found.

    Related CPT Codes

    99213CPT Code

    Established patient office visit, Level 3

    Clinical Scenario

    Follow-up visit for foodborne illness management.

    Documentation Requirements

    Document history, examination findings, and treatment plan.

    Specialty Considerations

    Consider referral to infectious disease specialist if symptoms persist.

    ICD-10 Impact

    Diagnostic & Documentation Impact

    Enhanced Specificity

    ICD-10 Improvements

    Accurate coding impacts public health reporting and tracking of foodborne illness outbreaks.

    ICD-9 vs ICD-10

    Accurate coding impacts public health reporting and tracking of foodborne illness outbreaks.

    Reimbursement & Billing Impact

    Accurate coding impacts public health reporting and tracking of foodborne illness outbreaks.

    Resources

    Clinical References

    • •
      CDC Foodborne Illnesses

    Coding & Billing References

    • •
      CDC Foodborne Illnesses

    Frequently Asked Questions

    What are the common sources of staphylococcal intoxication?

    Common sources include improperly stored dairy products, meats, and egg dishes.

    How quickly do symptoms appear after exposure?

    Symptoms typically appear within 1 to 6 hours after consuming contaminated food.