Welcome to the Supra-Regional Assay Service - a unique UK based service for the analysis and clinical interpretation of a wide range of specialised diagnostics tests.

The designated laboratories which form the SAS are generally the leading experts in their subject and the experience to which they have access is unrivalled.

This website will enable you to find out more about us, see which specialties we cover, locate the centre in the UK to send your sample, check which assays can be analysed, and examine a list of diagnoses.

If you need help, then you can either use the search facility to find what you're looking for, or just contact us and we will be happy to assist with your requirements.