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v1.0.0
ICD-10 Guide
ICD-10 CodesA02.9

A02.9

Salmonella infection, unspecified

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

Code Description

ICD-10 A02.9 is a billable code used to indicate a diagnosis of salmonella infection, unspecified.

Key Diagnostic Point:

A Salmonella infection that is not specified as a particular type or strain. This may include gastrointestinal infections caused by Salmonella species.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of Salmonella strains
  • Potential for severe complications

Audit Risk Factors

    Specialty Focus

    Medical Specialties

    Infectious Disease

    Documentation Requirements

    Detailed patient history, laboratory test results, and symptomatology.

    Common Clinical Scenarios

    Patients presenting with diarrhea, fever, and abdominal cramps after exposure to contaminated food or water.

    Billing Considerations

    Consideration of travel history and potential exposure to specific food sources.

    Coding Guidelines

    Inclusion Criteria

    Use A02.9 When
    • Use A02
    • 9 when the specific type of Salmonella infection is not documented
    • Ensure that all relevant clinical information is captured to support the diagnosis

    Exclusion Criteria

    Do NOT use A02.9 When
    No specific exclusions found.

    Related CPT Codes

    87045CPT Code

    Culture, bacterial, any source

    Clinical Scenario

    Testing stool samples for Salmonella in patients with gastroenteritis.

    Documentation Requirements

    Document the reason for the culture and any relevant symptoms.

    Specialty Considerations

    Infectious disease specialists may require additional tests to identify specific strains.

    ICD-10 Impact

    Diagnostic & Documentation Impact

    Enhanced Specificity

    ICD-10 Improvements

    Accurate coding impacts treatment plans and epidemiological tracking of Salmonella infections.

    ICD-9 vs ICD-10

    Accurate coding impacts treatment plans and epidemiological tracking of Salmonella infections.

    Reimbursement & Billing Impact

    Accurate coding impacts treatment plans and epidemiological tracking of Salmonella infections.

    Resources

    Clinical References

    • •
      CDC Salmonella Information

    Coding & Billing References

    • •
      CDC Salmonella Information

    Frequently Asked Questions

    What are the common symptoms of Salmonella infection?

    Common symptoms include diarrhea, fever, abdominal cramps, and vomiting, typically appearing 6 hours to 6 days after infection.

    How is Salmonella infection diagnosed?

    Diagnosis is typically made through stool cultures or other laboratory tests that identify Salmonella bacteria.