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v1.0.0
ICD-10 Guide
ICD-10 CodesA07.8

A07.8

Other specified protozoal intestinal diseases

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

Code Description

ICD-10 A07.8 is a billable code used to indicate a diagnosis of other specified protozoal intestinal diseases.

Key Diagnostic Point:

This code is used for intestinal diseases caused by protozoa that are not classified elsewhere. It encompasses various infections that may lead to gastrointestinal symptoms.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of protozoal infections
  • Potential for overlapping symptoms with other gastrointestinal diseases

Audit Risk Factors

    Specialty Focus

    Medical Specialties

    Infectious Disease

    Documentation Requirements

    Detailed patient history, laboratory test results, and treatment plans.

    Common Clinical Scenarios

    Patients presenting with diarrhea, abdominal pain, and weight loss after travel to endemic areas.

    Billing Considerations

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

    Coding Guidelines

    Inclusion Criteria

    Use A07.8 When
    • Ensure accurate identification of the protozoal agent when possible, and document all relevant clinical findings

    Exclusion Criteria

    Do NOT use A07.8 When
    No specific exclusions found.

    Related CPT Codes

    87449CPT Code

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

    Clinical Scenario

    Testing for specific protozoal infections in patients with gastrointestinal symptoms.

    Documentation Requirements

    Document the clinical rationale for testing and any relevant symptoms.

    Specialty Considerations

    Infectious disease specialists may require additional laboratory tests.

    ICD-10 Impact

    Diagnostic & Documentation Impact

    Enhanced Specificity

    ICD-10 Improvements

    The introduction of A07.8 allows for more precise coding of protozoal infections, improving data accuracy for epidemiological studies.

    ICD-9 vs ICD-10

    The introduction of A07.8 allows for more precise coding of protozoal infections, improving data accuracy for epidemiological studies.

    Reimbursement & Billing Impact

    The introduction of A07.8 allows for more precise coding of protozoal infections, improving data accuracy for epidemiological studies.

    Resources

    Clinical References

    • •
      CDC - Protozoan Infections

    Coding & Billing References

    • •
      CDC - Protozoan Infections

    Frequently Asked Questions

    What are the common protozoal infections that fall under A07.8?

    Common infections include giardiasis, cryptosporidiosis, and other less common protozoal infections.