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HHT Genetic Testing Labs

North America

A physician or genetic counselor must order all laboratory tests. The laboratories have requested that each patient contact their HHT Center physician, medical geneticist or genetic counselor.

Ambry Genetics

1 Enterprise 

Aliso Viejo, California 92656

Tel: 949-900-5500

Healthcare Providers: Learn more about HHTNext®

Email: [email protected]


ARUP Laboratories

500 Chipeta Way

Salt Lake City, Utah 84108-1221

Contact: Molecular Genetic Counselors

Tel: 801-583-2787

Email: [email protected]



1400 16th Street

San Francisco, CA 94103

US Inquiries: 800-436-3037

International Inquiries: +1 415-930-4018

Healthcare Providers:  Invitae HHT Testing Panel


Mayo Medical Laboratories

Shipping Address

3050 Superior Drive, NW

Rochester, Minnesota 55901


Tel: 800-533-1710

Fax: 507-226-4176


Rare Genomes Project

A patient-driven research project that performs full genome sequencing on families with suspected rare disease who do not have a genetic diagnosis.

View flyer. Online clinician referral form.

Participation is completely remote and FREE! 

Broad Institute of MIT and Harvard

Tel: 855-534-4300

Email: [email protected]


University of Pennsylvania Genetic Diagnostic Laboratory

Department of Genetics

415 Curie Blvd.

Philadelphia, Pennsylvania 19104-6145

Tel: 215-573-9161

Fax: 215-573-5940

Email: [email protected]


Genome Diagnostics Lab

The Hospital for Sick Children

555 University Avenue

Roy C. Hill Wing, Rm. 3-421

Toronto, Ontario M5G 1X8 Canada

Patients are not encouraged to contact the lab directly. Visit for more information.

LabCorp / Impact Genetics

115 Midair Court

Brampton, Ontario L6T 5V1 Canada

Contact: Laboratory Manager, Laurie Mason

Tel: 647-478-4902

Toll Free: 877-624-9769

Email: [email protected]


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