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Is your patient at increased risk for hereditary breast and ovarian cancer?

Compared to the general population, a woman with a confirmed BRCA1 or BRCA2 mutation is at greater risk of developing cancer during her lifetime—up to an 85% risk of breast cancer and up to a 40% risk of ovarian cancer. Her children, siblings and parents have a 50% chance of having the same autosomal dominant mutation and facing comparable risks. Learn more.

Putting Vitamin D to the Test: The QuestAssureD™ Difference

To learn more about the differences in vitamin D testing methodologies and why methodology matters, watch this brief two minute video.

Abstract awarded a Best Poster designation by the American College of Cardiology at ACC.14

Testing a panel of 12 single-nucleotide polymorphims (SNPs) may help identify people at increased risk of atrial fibrillation and stroke, according to a recent study by researchers from the Lund University in Malmö, Sweden, the Broad Institute, Harvard Medical School, Cambridge, MA, and Quest Diagnostics. Individuals with the highest genetic risk scores based on the SNP panel had twice the risk of atrial fibrillation compared with those with the lowest scores, as well as a 23% greater risk of stroke. The preliminary results were presented in an award-winning poster at the 2014 Annual Scientific Session & Expo of the American College of Cardiology. ACC attendees may access poster #122 at the ACC.14 Attendee Portal.



New Biomarker 14-3-3η: Advances in Diagnosing Early Rheumatoid Arthritis and Differentiating Osteoarthritis

Walter Maksymowych, MD, will detail the differences between rheumatoid arthritis and osteoarthritis, discuss the limitation of current markers and the benefits of the 14-3-3η biomarker. ASCLS P.A.C.E.® credits available to laboratory professionals through April 6, 2015.


Chikungunya Fever: An Emerging Infection in the Western Hemisphere

Hollis J. Batterman, MD Medical Director Quest Diagnostics Nichols Institute Dr. Batterman will explain the epidemiology of chikungunya infection, describe the clinical features of the infection and how to recognize potential complications as well as discuss appropriate laboratory diagnostic testing. ASCLS P.A.C.E.® credits available to laboratory professionals through April 2, 2015.

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Chikungunya: A Growing Public Health Concern for the United States

Last year, the Centers for Disease Control and Prevention (CDC) had warned that the number of chikungunya cases among travelers from affected areas...

Hepatitis C: How Broad Screening and New Therapies Can Transform the Disease Burden

Approximately 3.2 million people in the United States have chronic hepatitis C virus (HCV) infection, with infection most prevalent among those born during...

Omega-3 and Omega-6 Fatty Acids – Measuring Blood Levels To Help Manage Cardiovascular Risk

While recommendations for dietary intake of omega-3 fatty acids to reduce cardiovascular disease risk are well established, debate continues about the benefits of...

Epilepsy: How Next-Generation Genetic Testing Can Direct Therapy and Enhance Patient Care

Many types of epilepsy are associated with a genetic mutation, but determining the etiology of certain epilepsies remains a challenge. Dr. Scott...

BRCA Mutation Testing – Identifying Risk for Hereditary Breast and Ovarian Cancer

Compared to the general population, patients with a confirmed BRCA mutation have a significantly increased risk of developing cancer during their lifetime -...

Developmental Delay: Genetic Testing’s Role to Help Guide Diagnosis and Treatment

Causes of developmental delay are typically identified by a combination of observation, physical examination, assessment of family history and a range of diagnostic...

Test Selection and Interpretation Guide
Test Selection and Interpretation Guide

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This useful guide provides testing information in 9 clinical specialties.

Directory of Services ebook
Directory of Services ebook

Focus Diagnostics
Chantilly/San Juan Capistrano

Select laboratory to view an ebook version of the Quest Diagnostics Nichols Institute test catalog

Test FAQs
Test FAQs

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See answers to some of the most common questions about Quest Diagnostics laboratory tests.