2025 ICD-10-CM code A83.0
Japanese encephalitis.
Medical necessity for treatment of Japanese encephalitis is established by the confirmed diagnosis and the severity of the patient's symptoms.Treatment is necessary to manage symptoms, prevent complications, and reduce mortality.
Clinicians diagnose Japanese encephalitis based on patient history, physical and neurological examinations, and imaging (CT, EEG, MRI).A spinal tap confirms the diagnosis. Treatment includes corticosteroids to reduce brain swelling, rest, fluids, pain relievers, and sedatives.
- Certain infectious and parasitic diseases (A00-B99)
- Viral and prion infections of the central nervous system (A80-A89)
In simple words: Japanese encephalitis is a disease that causes swelling in the brain. It is spread by mosquitoes that have bitten infected birds or animals. Symptoms can include fever, headache, stiff neck, and confusion. In severe cases, it can cause seizures, coma, and even death.
Japanese encephalitis is a mosquito-borne viral infection that causes inflammation of the brain. It is commonly found in Asia and the Western Pacific.
Example 1: A traveler returning from Asia presents with fever, headache, and stiff neck. After further examination and testing, they are diagnosed with Japanese encephalitis., A child living in a rural area of Southeast Asia develops seizures and altered consciousness. Diagnostic tests confirm Japanese encephalitis., An individual experiences fever, lethargy, and vomiting after being bitten by mosquitoes while visiting an endemic area. They are subsequently diagnosed with Japanese encephalitis.
Documentation should include patient history (including travel history), physical and neurological examination findings, imaging results (CT, EEG, MRI), and cerebrospinal fluid analysis.
- Specialties:Infectious Disease, Neurology, Travel Medicine
- Place of Service:Inpatient Hospital, Office