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v1.0.0
ICD-10 Guide
ICD-10 CodesA01.0

A01.0

Typhoid fever

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

Code Description

ICD-10 A01.0 is a used to indicate a diagnosis of typhoid fever.

Key Diagnostic Point:

Typhoid fever is a systemic infection caused by the bacterium Salmonella enterica serotype Typhi, characterized by prolonged fever, abdominal pain, and gastrointestinal symptoms.

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 clinical history, including travel history and symptom duration.

    Common Clinical Scenarios

    Patients presenting with fever and gastrointestinal symptoms after travel to endemic areas.

    Billing Considerations

    Consideration of vaccination history and exposure to contaminated food or water.

    Coding Guidelines

    Inclusion Criteria

    Use A01.0 When
    • Ensure accurate documentation of clinical findings and travel history to support the diagnosis of typhoid fever

    Exclusion Criteria

    Do NOT use A01.0 When
    No specific exclusions found.

    Related CPT Codes

    87070CPT Code

    Culture, bacterial, any source

    Clinical Scenario

    Testing for Salmonella in patients with suspected typhoid fever.

    Documentation Requirements

    Document clinical suspicion and any relevant travel history.

    Specialty Considerations

    Infectious disease specialists may require additional serological testing.

    ICD-10 Impact

    Diagnostic & Documentation Impact

    Enhanced Specificity

    ICD-10 Improvements

    Accurate coding of typhoid fever is crucial for public health tracking and appropriate treatment protocols.

    ICD-9 vs ICD-10

    Accurate coding of typhoid fever is crucial for public health tracking and appropriate treatment protocols.

    Reimbursement & Billing Impact

    Accurate coding of typhoid fever is crucial for public health tracking and appropriate treatment protocols.

    Resources

    Clinical References

    • •
      CDC Typhoid Fever Information

    Coding & Billing References

    • •
      CDC Typhoid Fever Information

    Frequently Asked Questions

    What are the common symptoms of typhoid fever?

    Common symptoms include prolonged fever, abdominal pain, headache, and gastrointestinal disturbances.

    How is typhoid fever diagnosed?

    Diagnosis is typically made through clinical evaluation and laboratory testing, including blood cultures.