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v1.0.0
ICD-10 Guide
ICD-10 CodesA05.1

A05.1

Botulism food poisoning

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

Code Description

ICD-10 A05.1 is a billable code used to indicate a diagnosis of botulism food poisoning.

Key Diagnostic Point:

Botulism food poisoning is a rare but serious illness caused by a toxin produced by the bacterium Clostridium botulinum, typically resulting from the consumption of improperly preserved or canned foods.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Severity of symptoms
  • Potential for rapid deterioration

Audit Risk Factors

    Specialty Focus

    Medical Specialties

    Infectious Disease

    Documentation Requirements

    Detailed patient history including food intake and symptom onset.

    Common Clinical Scenarios

    Patient presents with neurological symptoms after consuming home-canned foods.

    Billing Considerations

    Consider differential diagnoses such as stroke or Guillain-Barré syndrome.

    Coding Guidelines

    Inclusion Criteria

    Use A05.1 When
    • Ensure accurate documentation of symptoms and food history to support the diagnosis of botulism food poisoning

    Exclusion Criteria

    Do NOT use A05.1 When
    No specific exclusions found.

    Related CPT Codes

    99285CPT Code

    Emergency department visit, high severity

    Clinical Scenario

    Patient with suspected botulism presenting to the emergency department.

    Documentation Requirements

    Document vital signs, neurological assessment, and food history.

    Specialty Considerations

    Infectious disease specialists may be consulted for management.

    ICD-10 Impact

    Diagnostic & Documentation Impact

    Enhanced Specificity

    ICD-10 Improvements

    Accurate coding of botulism food poisoning is crucial for public health tracking and resource allocation.

    ICD-9 vs ICD-10

    Accurate coding of botulism food poisoning is crucial for public health tracking and resource allocation.

    Reimbursement & Billing Impact

    Accurate coding of botulism food poisoning is crucial for public health tracking and resource allocation.

    Resources

    Clinical References

    • •
      CDC Botulism Information

    Coding & Billing References

    • •
      CDC Botulism Information

    Frequently Asked Questions

    What are the symptoms of botulism food poisoning?

    Symptoms include weakness, dizziness, double vision, difficulty swallowing, and respiratory distress.

    How is botulism food poisoning treated?

    Treatment typically involves the administration of botulinum antitoxin and supportive care, including respiratory support if needed.