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v1.0.0
ICD-10 Guide
ICD-10 CodesA03.0

A03.0

Shigellosis due to Shigella dysenteriae

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

Code Description

ICD-10 A03.0 is a billable code used to indicate a diagnosis of shigellosis due to shigella dysenteriae.

Key Diagnostic Point:

Shigellosis is an infectious disease caused by the Shigella bacteria, specifically Shigella dysenteriae, leading to diarrhea, fever, and abdominal cramps.

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, including travel and exposure history.

    Common Clinical Scenarios

    Patients presenting with acute diarrhea, especially after travel to endemic areas.

    Billing Considerations

    Consider testing for antibiotic resistance due to increasing prevalence.

    Coding Guidelines

    Inclusion Criteria

    Use A03.0 When
    • Ensure accurate documentation of the causative organism and clinical manifestations to support the diagnosis

    Exclusion Criteria

    Do NOT use A03.0 When
    No specific exclusions found.

    Related CPT Codes

    87556CPT Code

    Nucleic acid amplification test for Shigella

    Clinical Scenario

    Testing stool samples for Shigella dysenteriae.

    Documentation Requirements

    Document clinical symptoms and rationale for testing.

    Specialty Considerations

    Consider referral to infectious disease specialists for severe cases.

    ICD-10 Impact

    Diagnostic & Documentation Impact

    Enhanced Specificity

    ICD-10 Improvements

    Accurate coding impacts epidemiological tracking and treatment protocols for Shigellosis outbreaks.

    ICD-9 vs ICD-10

    Accurate coding impacts epidemiological tracking and treatment protocols for Shigellosis outbreaks.

    Reimbursement & Billing Impact

    Accurate coding impacts epidemiological tracking and treatment protocols for Shigellosis outbreaks.

    Resources

    Clinical References

    • •
      CDC Shigellosis Information

    Coding & Billing References

    • •
      CDC Shigellosis Information

    Frequently Asked Questions

    What are the common symptoms of Shigellosis?

    Common symptoms include diarrhea (often bloody), fever, abdominal cramps, and nausea.

    How is Shigellosis transmitted?

    Shigellosis is primarily transmitted through fecal-oral contact, often via contaminated food or water.