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v1.0.0
ICD-10 Guide
ICD-10 CodesA04.0

A04.0

Enteropathogenic Escherichia coli infection

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

Code Description

ICD-10 A04.0 is a billable code used to indicate a diagnosis of enteropathogenic escherichia coli infection.

Key Diagnostic Point:

Infection caused by enteropathogenic strains of Escherichia coli, which can lead to diarrhea and gastrointestinal symptoms.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Severity of symptoms
  • Duration of illness

Audit Risk Factors

    Specialty Focus

    Medical Specialties

    Infectious Disease

    Documentation Requirements

    Detailed patient history and laboratory confirmation of E. coli strain.

    Common Clinical Scenarios

    Acute gastroenteritis in children, travel-related diarrhea.

    Billing Considerations

    Consider potential complications such as dehydration and hemolytic uremic syndrome.

    Coding Guidelines

    Inclusion Criteria

    Use A04.0 When
    • Use A04
    • 0 when the infection is confirmed and documented
    • Ensure to specify if the infection is part of an outbreak or associated with travel

    Exclusion Criteria

    Do NOT use A04.0 When
    No specific exclusions found.

    Related CPT Codes

    87045CPT Code

    Culture, bacterial, any source

    Clinical Scenario

    Testing stool sample for E. coli.

    Documentation Requirements

    Document the reason for culture and any prior treatments.

    Specialty Considerations

    Infectious disease specialists may require additional tests for strain identification.

    ICD-10 Impact

    Diagnostic & Documentation Impact

    Enhanced Specificity

    ICD-10 Improvements

    Accurate coding impacts treatment protocols and epidemiological tracking of E. coli infections.

    ICD-9 vs ICD-10

    Accurate coding impacts treatment protocols and epidemiological tracking of E. coli infections.

    Reimbursement & Billing Impact

    Accurate coding impacts treatment protocols and epidemiological tracking of E. coli infections.

    Resources

    Clinical References

    • •
      CDC Guidelines on E. coli Infections

    Coding & Billing References

    • •
      CDC Guidelines on E. coli Infections

    Frequently Asked Questions

    What are the common symptoms of Enteropathogenic E. coli infection?

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

    How is Enteropathogenic E. coli infection diagnosed?

    Diagnosis is typically made through stool culture and identification of the specific E. coli strain.