A32.12
Listerial meningoencephalitis
Clinical Classification Guidelines
Medical Intelligence & Overview
Listerial meningoencephalitis is a severe infection that affects the protective membranes surrounding the brain and spinal cord, known as the meninges and the brain tissue itself. It is caused by the bacterium Listeria monocytogenes. Although it is relatively rare, this condition can be life-threatening and requires prompt medical attention. It predominantly impacts vulnerable populations such as newborns, pregnant women, older adults, and individuals with weakened immune systems.
Causes & Symptoms
Clinical Causes: Consumption of contaminated food products, such as unpasteurized dairy, raw vegetables, and processed meats Exposure to contaminated soil or water Contact with infected animals or their environment Poor food handling practices and inadequate food sanitation
Key Symptoms: Fever and chills Headache Neck stiffness Confusion or altered mental status Sensitivity to light (photophobia) Nausea and vomiting Seizures (in severe cases) Weakness or paralysis in some cases Symptoms may develop over several days and can rapidly worsen if untreated
Diagnostic & Treatment
Diagnosis Path: Diagnosis typically involves a combination of clinical evaluation and laboratory tests. Medical practitioners may perform the following:
Treatment Protocols: Treatment generally requires hospitalization and the use of specific antibiotics effective against Listeria. Common approaches include:
Clinical Advice & FAQs
Billing Guidance
Is A32.12 a billable ICD-10 code?
Yes, A32.12 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report A32.12?
Clinical documentation must specify the nature of Listerial meningoencephalitis and any associated comorbidities for accurate reporting.
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