A84: Tick-borne viral encephalitis
A84.0: Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]
On the outside of the brain and spinal cord there are three thin meninges (linings). A tough meninx, the dura mater, is on the outside. Below that are two soft meninges.
There are various kinds of pathogens. You have been infected with viruses. The viruses are for instance in Russia. The viruses are transmitted by ticks. If you are infected with the viruses, the symptoms usually occur after several days.
It is possible to have only mild symptoms or none at all with the disease. You may also have severe headaches or a fever. You will potentially feel very weak or have to vomit. Sometimes you will behave differently than usual or lack proper awareness. It may also be the case for example that you have seizures or can no longer properly feel certain parts of your body. You may be very severely ill. Particular symptoms may remain for a long time.
Patient Disclaimer
The information provided on this page is for general educational purposes only. It is not intended for self-diagnosis and does not replace professional medical advice. Always consult your doctor or a qualified healthcare provider with any questions or concerns about your health.
If you see an ICD diagnosis code (e.g., on a medical report), be aware that doctors may also include additional indicators to express diagnostic certainty. Only a healthcare professional can interpret these codes accurately in the context of your individual case.
For a complete understanding of your condition and what the diagnosis means for you, please speak directly with your doctor.