On the long list of things you'll need as an expat living in Italy is a tessera sanitaria. Let's look at what it is and when and why you need one.What is a Tessera Sanitaria?The tessera sanitaria is a health insurance card issued by the Italian National Health Service (Servizio Sanitario Nazionale or SSN) to all citizens and residents of Italy. The tessera sanitaria is a plastic card (best kept in your wallet or purse!) with your name, date of birth, and tax code (codice fiscale), as well as det