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ICD-10 Guide
ICD-10 CodesA24.1

A24.1

Botulism due to Clostridium botulinum

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 A24.1 is a billable code used to indicate a diagnosis of botulism due to clostridium botulinum.

Key Diagnostic Point:

Botulism is a rare but serious illness caused by the neurotoxin produced by the bacterium Clostridium botulinum. This condition can manifest in several forms, including foodborne, wound, and infant botulism. The neurotoxin affects the nervous system, leading to muscle paralysis, respiratory failure, and potentially death if not treated promptly. The transmission of botulism is primarily through the ingestion of improperly processed foods containing the toxin, particularly home-canned goods. Zoonotic transmission can occur, particularly in cases of animal botulism, where livestock ingest the spores from contaminated feed or soil. Public health considerations are critical, as outbreaks can arise from foodborne sources, necessitating stringent food safety regulations and public awareness campaigns. The clinical presentation includes symptoms such as double vision, drooping eyelids, slurred speech, difficulty swallowing, and muscle weakness. Diagnosis is typically confirmed through clinical evaluation and laboratory testing for the toxin. Immediate medical intervention is crucial to prevent severe complications.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between various forms of botulism (foodborne, wound, infant)
  • Understanding the specific transmission vectors and zoonotic aspects
  • Recognizing the need for laboratory confirmation of the toxin
  • Navigating public health reporting requirements

Audit Risk Factors

  • Inadequate documentation of clinical symptoms
  • Failure to specify the type of botulism
  • Lack of laboratory confirmation in medical records
  • Improper coding of related conditions

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Detailed clinical history, laboratory results, and treatment plans.

Common Clinical Scenarios

Diagnosis and management of botulism cases, particularly in outbreak settings.

Billing Considerations

Ensure accurate documentation of exposure history and symptom onset.

Public Health

Documentation Requirements

Epidemiological data, outbreak investigation reports, and food safety assessments.

Common Clinical Scenarios

Investigation of foodborne outbreaks and zoonotic transmission cases.

Billing Considerations

Focus on community health impact and preventive measures.

Coding Guidelines

Inclusion Criteria

Use A24.1 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the type of botulism and any related conditions
  • Include details on the source of exposure and clinical manifestations

Exclusion Criteria

Do NOT use A24.1 When
No specific exclusions found.

Related CPT Codes

87501CPT Code

Botulinum toxin assay

Clinical Scenario

Used to confirm diagnosis in suspected cases of botulism.

Documentation Requirements

Document the reason for testing and clinical findings.

Specialty Considerations

Infectious disease specialists should ensure comprehensive documentation.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of botulism cases, improving data accuracy and public health reporting. It enables better tracking of outbreaks and zoonotic transmission.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of botulism cases, improving data accuracy and public health reporting. It enables better tracking of outbreaks and zoonotic transmission.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of botulism cases, improving data accuracy and public health reporting. It enables better tracking of outbreaks and zoonotic transmission.

Resources

Clinical References

  • •
    CDC Botulism Information

Coding & Billing References

  • •
    CDC Botulism Information

Frequently Asked Questions

What are the primary symptoms of botulism?

Symptoms include double vision, drooping eyelids, slurred speech, difficulty swallowing, and muscle weakness. In severe cases, respiratory failure may occur.