TDL referral laboratories

For certain specialist tests TDL has developed a selected network of TDL Group and Reference Laboratories. These Group or specialist laboratories can be identified by a code assigned to reports. The quality of these laboratories is recognised by UKAS, or similar accrediting bodies for the laboratories outside the UK.

Addenbrooke’s Hospital – BGU and Immunology

Affinity Biomarker Labs

Alder Hey Children’s NHS Foundation Trust – Biochemistry Department

Analytical Services International Ltd, St George’s University of London – Forensic Toxicology Service

Animal and Plant Health Agency – Veterinary labs

Antenatal Screening Service, Wolfson Institute of Preventive Medicine, Barts and The London School of Medicine and Dentistry

Biodesix, Inc.

Biolab Medical Unit


Birmingham Children’s Hospital NHS Foundation Trust – Clinical Chemistry

Brucella Reference Unit – Liverpool Clinical Laboratories, Royal Liverpool and Broadgreen Hospital

Cambridge Clinical Laboratory

Cambridge Life Sciences

Cambridge Nutritional Science Ltd

Cardiff and Vale University Health Board – The Analytical Toxicology Department

Cardiff and Vale University Health Board – University Hospital of Wales Laboratory – Medical immunology


Chelsea and Westminister Hospital NHS Foundation Trust

CNC Forensic Toxicology Service Ltd

Douglass Hanly Moir Pathology

Epsom and St Helier University Hospital NHS Trust – Biochemistry Department

Epsom and St Helier University Hospital NHS Trust – Immunology Department

Eurofins – Biomnis, France 

Great Ormond Street Hospital – Department of Chemical Pathology

Great Ormond Street Hospital – Enzyme Unit, Chemical Pathology

Great Ormond Street Hospital – Immunology Department

Great Ormond Street Hospital – Neurometabolic Unit

Guildford RSCH Trace Element Laboratory, SAS Trace Element Centre

HCA Healthcare UK – HCA Laboratories

Health & Safety Laboratory

HFL Sport Science

Homerton University Hospital – Department of Clinical Biochemistry

Igenomix UK

Imperial College Healthcare NHS Trust – Charing Cross Hospital, Chemical Pathology Department

Imperial College Healthcare NHS Trust – Charing Cross Hospital, Infection and Immunity Department

Imperial College Healthcare NHS Trust – Charing Cross Hospital, Medical Oncology

Imperial College Healthcare NHS Trust – Hammersmith Hospital, Molecular Endocrinology

Imperial College Healthcare NHS Trust, St Mary’s Hospital – Virology Department

Independent Histopathology Services

Institute of Aquaculture – University of Stirling

Institute of Neurology – Neurogenetics Unit

Instituto Bernabeu Biotech

King’s College Hospital – HMDC Laboratory for Molecular Haemato-Oncology

Labor Augsburg MVZ GmbH

Latis Scientific

London School of Hygiene & Tropical Medicine – Diagnostic Parasitology Lab

Matrix Diagnostics

Mayo Clinic Laboratories

Meningococcal reference unit (Men RU)

Manchester – Manchester Royal Infirmary

Microbiological Solutions Ltd

Micropathology Ltd

National Blood Service – Colindale, Red Cell Immuno Haematology Department

NHS Blood and Transplant – Birmingham

NHS Blood and Transplant – H & I Laboratory

NHS Blood and Transplant – Tooting

Norfolk and Norwich University Hospital NHS Foundation Trust – SAS Metabolic Bone Laboratory

Nutritional Analytical Service – University of Stirling

Oxford University Hospital NHS Foundation Trust – Churchill Hospital


PHE, Brucella Reference Unit, Royal Liverpool and Broadgreen Hospital

PHE – Bacteriology Reference Department (BRD), Colindale

PHE – Bacteriology Reference Department (BRD) – Legionella Reference Laboratory, Colindale

PHE – Respiratory and Vaccine Preventable Bacteria Reference Unit (RVPBRU) – Enteric and Respiratory Virus Lab, Colindale

PHE – Virus Reference Department (VRD) – Colindale

PHE Mycology Reference Laboratory – PHE South West Laboratory, Southmead Hospital, Bristol

PHE National Mycobacterium Reference Service National Infection Service, Colindale

PHE Rare and imported pathogens laboratory – Porton Down

Queens University Hospital, Belfast – Institute of Clinical Science

Radboud University Nijmegen Medical Center

Randox Health – London

Reflab – Copenhagen

Rosalind Franklin University

Royal Berkshire Hospital NHS Foundation Trust – Clinical Biochemistry

Royal Surrey County Hospital – SAS Peptide Hormone Section

Sandwell and West Birmingham NHS Trust – City Hospital Birmingham, Clinical Biochemistry Department

Sandwell and West Birmingham NHS Trust – City Hospital Birmingham, Toxicology Department

SCSA Diagnostics

Sheffield Children’s NHS Trust – Clinical Chemistry

Sheffield Teaching Hospital NSH Foundation Trust – Northern General Hospital, Protein Reference Laboratory

Sheffield Teaching Hospital NSH Foundation Trust – Protein Reference Laboratory Unit and Immunology Department

Southmead Hospital – Antimicrobial Reference Laboratory, Bristol

St George’s University Hospital NHS Foundation Trust – Cell Marker Department

SYNLAB Budapest Diagnostic Center, Genoid Molecular Diagnostic Laboratory

SYNLAB Laboratory Service – Abergavenny

The European Laboratory of Nutrients

The Leeds Teaching Hospital – Leeds General Infirmary

The Leeds Teaching Hospital NHS Trust – Endocrinology Laboratory (including SAS Steroid Centre), Department of Specialist Laboratory Medicine, St James University Hospital

The Leeds Teaching Hospitals NHS Trust – Mycology Reference Centre

The Newcastle upon Tyne Hospitals – Royal Victoria Infirmary

The Royal Marsden Hospital – Department of Haematology / Oncology

Toxoplasma Reference Unit, Public Health Wales Microbiology ABM, Singleton Hospital – Swansea

Trace Laboratories Ltd

UCL Great Ormond Street Institute of Child Health

UCL Queen Square Institute of Neurology – Department of Neuroimmunology

UCL Queen Square Institute of Neurology – Neurometabolic Department

University Hospital Birmingham NHS Foundation Trust – Heartlands Hospital

University Hospital of Wales – Immunology Department

Viapath – Guy’s Hospital, Biochemistry Genetics Laboratory

Viapath – King’s College Hospital, Clinical Biochemistry

Viapath – St Thomas’ Hospital Haemophilia Centre

Viapath – St Thomas’ Hospital Immunohistology

Viapath – St Thomas’ Hospital Purine Research Laboratory

West Yorkshire Analytical Service


TDL Genetics referral laboratories

All Wales Medical Genetics Service

Anthony Nolan, Histocompatability and Immunogenetics

Asper Biotech

Bioscientia GmBH

Bristol Genetics Laboratory (North Bristol NHS Trust)


DiaGenom GmbH

Douglass Hanly Moir Pathology

East Scotland Regional Genetics Service (NHS Tayside)

Exeter Clinical Laboratory – Department of Molecular Genetics

Fulgent Diagnostics

Institute of Neurology, Queen’s Square

International Blood Group Reference Laboratory

London South East Genetics Service

Medical Genetics Laboratory – Central Manchester University Hospitals NHS Foundation Trust

Medical Neurogenetics Laboratory LLC

Micropathology Ltd

Molecular Genetics Laboratory –Liverpool’s Women NHS Foundation Trust

Molecular Vision Laboratory

Newcastle Mitochondrial NGC Diagnostic Service

North East Thames Regional Genetic Service

North West London Pathology

North West Thames Regional Genetic Service

Northern Genetics Service

Oxford Genetics Laboratory – Oxford University Hospitals

Prevention Genetics

Progenika Biopharma Grifols

Protein Reference Unit & Immunology Department – Sheffield Protein Unit

Purine Research Laboratory – St Thomas’ Hospital

Royal Marsden – Haemato-Oncology Unit

Sheffield Diagnostic Genetics Service

SIHMDS – Cytogenetics Laboratory, Great Ormond Street Hospital

South East Scotland Genetics Service (NHS Lothian)

South West Thames Regional Genetics Service

SYNLAB Budapest Diag Center

The Leeds Genetics Laboratory Viapath Analytics LLP

Wessex Region Genetics Service

West Midlands Regional Genetics Laboratory

West of Scotland Genetic Service (NHS Greater Glasgow and Clyde)