UK MapWelcome to the Supra-Regional Assay Service (SAS) – a UK based service for the analysis and clinical interpretation of a wide range of specialised diagnostics tests.

This web site will enable you to find out more about us, see which specialities we cover, locate the centre in the UK to send your sample and check which assays we provide.

To find information regarding the tests we provide you can either navigate the website using the drop-down menus headings; Specialities, Centres or Assays near the top of the webpage, or search for a specific term(s), such as the assay you are interested in, using the search tool at the top right of this page.