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v1.0.0
ICD-10 Guide
ICD-10 CodesA32.8

A32.8

Other forms of listeriosis

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

Code Description

ICD-10 A32.8 is a billable code used to indicate a diagnosis of other forms of listeriosis.

Key Diagnostic Point:

Listeriosis is an infection caused by the bacterium Listeria monocytogenes, which can lead to severe illness, particularly in vulnerable populations such as pregnant women, newborns, the elderly, and immunocompromised individuals. While the most common form of listeriosis is characterized by meningitis or septicemia, other forms can manifest as localized infections, such as abscesses or endocarditis. Symptoms may vary widely, including fever, muscle aches, gastrointestinal distress, and neurological symptoms. Diagnosis typically involves blood cultures or other laboratory tests to identify the presence of Listeria. Treatment usually includes antibiotics such as ampicillin or gentamicin, but resistance patterns can vary, necessitating susceptibility testing. The clinical management of listeriosis requires careful consideration of the patient's overall health status and potential complications, particularly in high-risk groups. Understanding the various presentations of listeriosis is crucial for accurate diagnosis and effective treatment.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of clinical presentations requiring detailed documentation
  • Differentiation from other bacterial infections
  • Potential for co-infections complicating the clinical picture
  • Need for accurate laboratory results to support diagnosis

Audit Risk Factors

  • Inadequate documentation of clinical symptoms
  • Failure to specify the form of listeriosis
  • Lack of supporting laboratory results
  • Misclassification of the infection type

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Detailed clinical notes on symptoms, laboratory results, and treatment plans.

Common Clinical Scenarios

Patients presenting with fever and neurological symptoms, particularly in immunocompromised individuals.

Billing Considerations

Ensure that all forms of listeriosis are documented to avoid misclassification.

Obstetrics

Documentation Requirements

Documentation of maternal and fetal health, including any complications related to listeriosis.

Common Clinical Scenarios

Pregnant women presenting with flu-like symptoms or gastrointestinal distress.

Billing Considerations

Highlight the potential risks to the fetus and the need for prompt treatment.

Coding Guidelines

Inclusion Criteria

Use A32.8 When
  • According to ICD
  • 10 guidelines, A32
  • 8 should be used when the specific form of listeriosis is not classified elsewhere
  • Coders must ensure that the documentation supports the diagnosis and that other specific codes are not applicable

Exclusion Criteria

Do NOT use A32.8 When
No specific exclusions found.

Related CPT Codes

87070CPT Code

Culture, bacterial, any source

Clinical Scenario

Used to confirm the diagnosis of listeriosis.

Documentation Requirements

Document the source of the culture and the clinical indication.

Specialty Considerations

Infectious disease specialists should ensure cultures are obtained from appropriate sites.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of listeriosis, improving the accuracy of data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of listeriosis, improving the accuracy of data collection and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    CDC Listeria Information

Coding & Billing References

  • •
    CDC Listeria Information

Frequently Asked Questions

What are the common symptoms of listeriosis?

Common symptoms include fever, muscle aches, nausea, and diarrhea. In severe cases, it can lead to meningitis or septicemia.

How is listeriosis diagnosed?

Diagnosis is typically made through blood cultures or other laboratory tests that identify Listeria monocytogenes.

What populations are at higher risk for listeriosis?

Pregnant women, newborns, the elderly, and individuals with weakened immune systems are at higher risk.