The Leeds Teaching Hospitals NHS Trust

Leeds Genetics Laboratory


The Leeds Genetics Laboratory incorporates Molecular Genetics, Cytogenetics and a Molecular Oncology Diagnostic Facility. The laboratory is supported by the Translational Genomics Unit. The service is based at St James’s Hospital and is part of the Leeds Teaching Hospitals NHS Trust.

What We Do

The laboratory provides genetic analysis for inherited and acquired diseases for the population of Yorkshire. Services are also available nationally, as part of the UK Genetic Testing Network (UKGTN), and on an international basis.
The Laboratory is accredited by UKAS for its established services.

This website is aimed primarily at health workers as an information resource.

Referral Forms

Cytogenetics, Molecular Oncology and Whipples Referral Forms

Molecular Genetics Referral Forms


Letter to users re: changes to Whipple disease service

Letter to users re: change to testing strategy for recurrent miscarriage patients

Change to format of oncology reports:

Please note that from 01/01/18 solid tumour and molecular oncology results will be reported and integrated into cellular pathology reports. Separate reports from the Leeds Genetics Lab will no longer be issued.


Contact Us

Cytogenetic Enquiries:
0113 2065419           

Molecular Enquiries:
0113 2065205           

Opening Hours

Mon - Fri 8:30am - 5:00pm

For more information about schedules of our services covered under UKAS accreditation, please see

E Schedule 8105 (Cytogenetics); and E Schedule 8096 (Molecular Genetics)


For more information about the scope of our work please visit the British Society for Genetic Medicine website.