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v1.0.0
ICD-10 Guide
ICD-10 CodesA07.2

A07.2

Cryptosporidiosis

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

Code Description

ICD-10 A07.2 is a billable code used to indicate a diagnosis of cryptosporidiosis.

Key Diagnostic Point:

Cryptosporidiosis is an intestinal infection caused by the protozoan parasite Cryptosporidium, leading to diarrhea and gastrointestinal distress.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of symptoms
  • Potential for dehydration

Audit Risk Factors

    Specialty Focus

    Medical Specialties

    Infectious Disease

    Documentation Requirements

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

    Common Clinical Scenarios

    Patients presenting with acute diarrhea after exposure to contaminated water.

    Billing Considerations

    Consider testing for other gastrointestinal pathogens.

    Coding Guidelines

    Inclusion Criteria

    Use A07.2 When
    • Use A07
    • 2 for confirmed cases of cryptosporidiosis; ensure to document the source of infection when known

    Exclusion Criteria

    Do NOT use A07.2 When
    No specific exclusions found.

    Related CPT Codes

    87428CPT Code

    Cryptosporidium antigen detection

    Clinical Scenario

    Testing stool samples for Cryptosporidium in patients with diarrhea.

    Documentation Requirements

    Document clinical symptoms and rationale for testing.

    Specialty Considerations

    May require infectious disease specialist involvement.

    ICD-10 Impact

    Diagnostic & Documentation Impact

    Enhanced Specificity

    ICD-10 Improvements

    Improved specificity in coding for cryptosporidiosis allows for better tracking of outbreaks and treatment outcomes.

    ICD-9 vs ICD-10

    Improved specificity in coding for cryptosporidiosis allows for better tracking of outbreaks and treatment outcomes.

    Reimbursement & Billing Impact

    Improved specificity in coding for cryptosporidiosis allows for better tracking of outbreaks and treatment outcomes.

    Resources

    Clinical References

    • •
      CDC Cryptosporidiosis Information

    Coding & Billing References

    • •
      CDC Cryptosporidiosis Information

    Frequently Asked Questions

    What are the common symptoms of cryptosporidiosis?

    Common symptoms include watery diarrhea, stomach cramps, dehydration, nausea, and vomiting.

    How is cryptosporidiosis transmitted?

    It is primarily transmitted through contaminated water, food, or surfaces.