ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesA04.2

A04.2

Enteroinvasive Escherichia coli infection

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

Code Description

ICD-10 A04.2 is a billable code used to indicate a diagnosis of enteroinvasive escherichia coli infection.

Key Diagnostic Point:

A bacterial infection caused by enteroinvasive strains of Escherichia coli, leading to gastrointestinal symptoms such as diarrhea, abdominal pain, and fever.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Severity of symptoms
  • Potential for complications

Audit Risk Factors

    Specialty Focus

    Medical Specialties

    Infectious Disease

    Documentation Requirements

    Detailed patient history and symptomatology, including onset and duration of diarrhea.

    Common Clinical Scenarios

    Patients presenting with acute diarrhea and fever after consuming contaminated food or water.

    Billing Considerations

    Consider travel history and exposure to potentially contaminated sources.

    Coding Guidelines

    Inclusion Criteria

    Use A04.2 When
    • Ensure accurate documentation of the clinical presentation and any laboratory confirmation of the infection

    Exclusion Criteria

    Do NOT use A04.2 When
    No specific exclusions found.

    Related CPT Codes

    87556CPT Code

    Infectious agent detection by nucleic acid (DNA or RNA); enteric pathogens

    Clinical Scenario

    Testing for enteroinvasive E. coli in patients with severe diarrhea.

    Documentation Requirements

    Document clinical symptoms and rationale for testing.

    Specialty Considerations

    Infectious disease specialists may require additional lab results.

    ICD-10 Impact

    Diagnostic & Documentation Impact

    Enhanced Specificity

    ICD-10 Improvements

    Accurate coding impacts treatment protocols and reimbursement for infectious disease management.

    ICD-9 vs ICD-10

    Accurate coding impacts treatment protocols and reimbursement for infectious disease management.

    Reimbursement & Billing Impact

    reimbursement for infectious disease management.

    Resources

    Clinical References

    • •
      CDC Enteroinvasive E. coli Information

    Coding & Billing References

    • •
      CDC Enteroinvasive E. coli Information

    Frequently Asked Questions

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

    Common symptoms include diarrhea (which may be bloody), abdominal cramps, fever, and vomiting.

    How is enteroinvasive E. coli infection diagnosed?

    Diagnosis is typically made through stool culture and laboratory testing to identify the specific strain of E. coli.