Herpesviral meningitis
Chapter 1:Certain infectious and parasitic diseases
ICD-10 B00.3 is a billable code used to indicate a diagnosis of herpesviral meningitis.
Herpesviral meningitis is an inflammation of the protective membranes covering the brain and spinal cord, primarily caused by the herpes simplex virus (HSV). This condition can arise from either HSV type 1 or type 2, with HSV type 1 being the most common cause in adults. Symptoms typically include fever, headache, neck stiffness, and altered mental status. Diagnosis is often confirmed through lumbar puncture, revealing pleocytosis with a predominance of lymphocytes and the presence of herpes simplex virus DNA in the cerebrospinal fluid (CSF). While herpesviral meningitis is generally less severe than bacterial meningitis, it can lead to complications such as seizures, neurological deficits, and, in rare cases, death. Treatment usually involves antiviral medications, such as acyclovir, which can significantly reduce morbidity if administered early. Vaccination against HSV is currently not available, making prevention strategies focused on reducing transmission risk, particularly in sexually active populations. Understanding the clinical presentation and timely intervention is crucial for favorable outcomes.
Detailed history of present illness, laboratory results, and treatment plans.
Patients presenting with fever and neurological symptoms, particularly in immunocompromised individuals.
Ensure documentation reflects the viral etiology and any co-morbid conditions.
Neurological examination findings, imaging results, and CSF analysis.
Patients with altered mental status and neurological deficits.
Documenting the severity and duration of symptoms is crucial for accurate coding.
Used when CSF analysis is performed to confirm herpesviral meningitis.
Document the reason for testing and results.
Infectious disease specialists should ensure accurate linkage to the diagnosis.
Common symptoms include fever, headache, neck stiffness, nausea, vomiting, and altered mental status. Some patients may also experience seizures.
