A84.1: Central European tick-borne encephalitis

Your brain has become inflamed because you have been infected with specific pathogens. It is also possible that your meninges have become inflamed.

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. These viruses occur for instance in Central and Eastern Europe. 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.


This information is not intended for self-diagnosis and does not replace professional medical advice from a doctor. If you find an ICD code on a personal medical document, please also note the diagnostic confidence indicator.
Your doctor will assist you with any health-related questions and explain the ICD code to you in a direct consultation if necessary.


Provided by the non-profit organization “Was hab’ ich?” gemeinnützige GmbH on behalf of the Federal Ministry of Health (BMG).

Further articles

Tick-borne encephalitis (TBE)

Tick-borne encephalitis (TBE) is a viral infection transmitted ticks.