Genetic testing

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Mayo Clinic's approach

  • Teamwork. In Mayo Clinic's Department of Clinical Genomics, medical geneticists and certified genetic counselors work together as a team, with other professionals as needed, to evaluate any type of genetic condition and coordinate a wide array of tests and procedures.
  • Comprehensive services. The Department of Clinical Genomics provides diagnostic workup of rare and inherited conditions and genetics evaluation of hereditary cancer syndromes, takes a comprehensive family history, educates patients and families about familial diseases, and offers counseling for family members to improve understanding of how a genetic disorder may affect them.
  • Advanced technology. The Department of Clinical Genomics provides access to the latest genomic testing techniques, when medically appropriate and on a case-by-case basis.
  • Research. Mayo Clinic is recognized for outstanding contributions to research in genetics and genomics. Patients have opportunities to participate in genetic research studies to improve overall patient care. Mayo's Center for Individualized Medicine is involved in translating the latest scientific advances to clinical care.

The Mayo Clinic experience and patient stories

Our patients tell us that the quality of their interactions, our attention to detail and the efficiency of their visits mean health care like they've never experienced. See the stories of satisfied Mayo Clinic patients.

  1. Andy_Grundstad-16x9-1.jpg

    Genetic testing reveals cause of patient's mysterious lifelong illness

    Andy Grundstad was sick and tired of feeling sick and tired. "I felt like I was 80 years old," says Andy, a 35-year-old agronomist living outside of Crosby, North Dakota. He'd been diagnosed with vasculitis as a child and lived with various health issues while care teams struggled to provide a comprehensive diagnosis and effective treatment. Andy's symptoms worsened after a stroke in 2017. Near-daily fevers and joint pain accompanied a second stroke in 2020.…
  2. Alexa-with-her-fiance-Renzo-Giancarlo-Chunga16x9-1024x576.jpg

    Reclaiming strength and independence after rare cancer diagnosis 

    The year was 2019. Alexa Lofaro was in her happy place, inside Nassau Veteran's Memorial Collesium in Uniondale, New York, watching the New York Islanders play hockey. As she made her way to her seat, another fan’s words caught her off-guard. “As I walked by him, he said, ‘Get home safely,’” Alexa says. “He thought I was drunk. I wasn’t drunk.” Instead, Alexa’s slow, cautious walk down the arena stairs was to compensate for the…
  3. Kelly_DuBois_1-16x9-1-1024x577.jpg

    Regaining quality of life after a decade lost to misdiagnosis: Kelly Dubois

    Kelly DuBois doesn’t remember her 30s much at all. That decade of her life was essentially “stolen” from her thanks to a series of misdiagnoses, a botched brain surgery, and a host of medications that caused more side effects than benefits. After 12 years of failing health, had she not come to Mayo Clinic — where pharmacogenomic testing revealed polymorphisms (genetic mutations) that were causing her body to metabolize her meds in harmful ways —…

Expertise and rankings

  • First in the U.S. to offer a lymphoma genomic diagnostic test for patients. Mayo Clinic created a test to help guide diagnosis and treatment of patients with diffuse large B-cell lymphoma, the most common type of non-Hodgkin's lymphoma.
  • Nationally recognized expertise. Mayo Clinic's Department of Clinical Genomics includes experienced board-certified medical geneticists and certified genetic counselors. Using a comprehensive team approach, they work with all age groups and levels of complexity, tailoring care to each individual's needs.
  • Cutting-edge research. Mayo Clinic's Department of Clinical Genomics is recognized for outstanding contributions to research and has a long history of published studies regarding rare or novel genetic disorders.

Mayo Clinic Children's Center

Highly skilled pediatric experts diagnose and treat all types of conditions in children. As a team, we work together to find answers, set goals and develop a treatment plan tailored to your child's needs.

Learn more about the Children's Center.

Locations, travel and lodging

Mayo Clinic has major campuses in Phoenix and Scottsdale, Arizona; Jacksonville, Florida; and Rochester, Minnesota. The Mayo Clinic Health System has dozens of locations in several states.

For more information on visiting Mayo Clinic, choose your location below:

Mayo Clinic's campus in Arizona

Mayo Clinic's campus in Florida

Mayo Clinic's campus in Minnesota

Mayo Clinic Health System

Mayo Clinic Healthcare, located in London

Costs and insurance

Mayo Clinic works with hundreds of insurance companies and is an in-network provider for millions of people.

In most cases, Mayo Clinic doesn't require a physician referral. Some insurers require referrals or may have additional requirements for certain medical care. All appointments are prioritized on the basis of medical need.

Learn more about appointments at Mayo Clinic.

Please contact your insurance company to verify medical coverage and to obtain any needed authorization prior to your visit. Often, your insurer's customer service number is printed on the back of your insurance card.

More information about billing and insurance:

Mayo Clinic in Arizona, Florida and Minnesota

Mayo Clinic Health System

Clinical trials

Explore Mayo Clinic studies of tests and procedures to help prevent, detect, treat or manage conditions.

By Mayo Clinic Staff
Request an appointment
Doctors & Departments
April 14, 2020
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  1. National Library of Medicine. Help me understand genetics. Genetics Home Reference. https://ghr.nlm.nih.gov/primer. Accessed Feb. 13, 2017.
  2. Frequently asked questions about genetic testing. National Human Genome Research Institute. https://www.genome.gov/19516567/faq-about-genetic-testing/. Accessed Feb. 13, 2017.
  3. Genetic testing for hereditary cancer syndromes. National Cancer Institute. https://www.cancer.gov/about-cancer/causes-prevention/genetics/genetic-testing-fact-sheet. Accessed Feb. 13, 2017.
  4. Raby BA, et al. Genetic testing. http://www.uptodate.com/home. Accessed Feb. 13, 2017.
  5. Grody WW, et al. ACMG position statement on prenatal/preconception expanded carrier screening. Genetics in Medicine. 2013;15:482.
  6. Genetic testing. American Medical Association. https://www.ama-assn.org/content/genetic-testing. Accessed Feb. 13, 2017.
  7. Frequently asked questions. Prenatal genetic diagnostic tests. FAQ164. Pregnancy. American College of Obstetricians and Gynecologists. https://www.acog.org/-/media/For-Patients/faq164.pdf?dmc=1&ts=20161216T1208042192. Accessed Feb. 13, 2017.
  8. Breast cancer risk factors you cannot change. American Cancer Society. https://www.cancer.org/cancer/breast-cancer/risk-and-prevention/breast-cancer-risk-factors-you-cannot-change.html. Accessed Feb. 21, 2017.
  9. Atwal PS (expert opinion). Mayo Clinic, Jacksonville, Fla. Feb. 24, 2017.

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