The EU Referendum and the European Health Insurance Card; no changes announced.

Despite the EU Referendum, access to the European Health Insurance Card (EHIC) is still very much the same. Its services remain unchanged. It gives you the right to access a state-provided healthcare during your temporary stay in another European Economic Area (EEA).

To apply for or renew your EHIC, always go to the official EHIC online application form; this is always a free application, avoid unofficial sites that may be have charges attached to this service.
Read more:
http://www.nhs.uk/NHSEngland/Healthcareabroad/EHIC/Pages/about-the-ehic.aspx