Rare Test Service: since 1996
QNV: Quest Diagnostics Nichols Institute of Valencia (Standard), California, CA 91355, USA

QNV is our primary overseas referral laboratory and offers esoteric cutting-edge new assays as well as existing diagnostic tests. In the link, add and save the service area Zip Code 91355, Valencia Standard to view their test index.
TDL: The Doctors Laboratory, London, WC1H9AX, UK

TDL is one of UK’s largest independent provider of specialised pathology and clinical laboratory testing. TDL is especially known for its large menu of genetic tests.
Mayo: Mayo Clinic Laboratories, Rochester, Minnesota, MN 55901, USA

Mayo Clinic Laboratories (Mayo) is a global reference laboratory offering sophisticated and specialised testing.
ATH: Athena diagnostic, Marlborough, MA 01752, USA

Athena Diagnostics is a leading genetic testing laboratory for neurological diseases and offers innovative tests for Alzheimer’s disease, muscular dystrophy and other developmental disorders.
ARUP: ARUP Laboratories, Salt Lake City, UT 84108-1221, USA
ARUP is a national non-profit and academic reference laboratory at the forefront of diagnostic medicine.
RFU: Rosalind Franklin University of Medicine and Science, Immunology Lab, North Chicago, IL 60064, USA

The RFU clinical immunology laboratory was established in 1988 as a pioneering laboratory in cutting edge immunology tests for complicated pregnancies. Tests include immunological and molecular biology methods for the diagnosis of recurrent pregnancy losses and unexplained infertility.
NAT: Natera: San Carlos, CA 94070, USA

Natera is a leading provider of Pre-natal NIPT and Carrier Screening tests. These include:
Panorama®, Horizon®, Anora®, Vistara®
Women’s Health: Pre-natal NIPT and Carrier Screening tests.
See also Test News.
DD: Doctor’s DataInc. St. Charles, IL 60174-2420

Doctor's Data specialises in essential and toxic element testing, as well as testing for nutritional status and environmental exposure.
PHLSB: Public Health Laboratory Services Branch

Public Health Laboratory Services Branch is Hong Kong’s reference laboratory for infectious diseases. It provides diagnostic testing and public health consultation relating to microbiology and virology. It provides confirmatory service for private and public laboratories.
QMH: Queen Mary Hospital Laboratory and PWH: Prince of Wales Hospital UPS Laboratory are also major reference sources for esoteric tests.