Access to cervical cancer screening is improving with new advances in self-collection with HPV DNA testing. Learn from our medical and scientific experts about how these advances are improving opportunities to close screening gaps. https://bit.ly/4qOFT94
Quest Diagnostics
Medical and Diagnostic Laboratories
Secaucus, NJ 383,103 followers
Working together to create a healthier world, one life at a time.
About us
Quest Diagnostics (NYSE: DGX) empowers people to take action to improve health outcomes. Derived from the world's largest database of clinical lab results, our diagnostic insights reveal new avenues to identify and treat disease, inspire healthy behaviors and improve health care management. Quest annually serves one in three adult Americans and half the physicians and hospitals in the United States, and our 47,000 employees understand that, in the right hands and with the right context, our diagnostic insights can inspire actions that transform lives. The company offers physicians the broadest test menu (3,000+ tests), is a pioneer in developing innovative new tests, is the leader in cancer diagnostics, provides anatomic pathology (AP) services, & interpretive consultation through its medical & scientific staff of about 900 M.D.s & Ph.D.s. The company reported 2020 revenues of $9.44 billion. Quest Diagnostics offers the most extensive clinical testing network in the U.S., with laboratories in most major metropolitan areas, & in Mexico, the UK & India. The company also operates four esoteric laboratories, 40 outpatient AP laboratories, & 160 smaller, rapid-response laboratories. Patients may have specimens collected in any of the company’s approximately 2,250 patient service centers. On a typical workday, testing is performed for about 550,000 patients. Quest Diagnostics empowers healthcare organizations & clinicians with state-of-the-art connectivity solutions. The company is the leading provider of pre-employment drugs-of-abuse screening for employers & risk assessment services for the life insurance industry. It is the world’s 2nd largest provider of clinical trials testing for new pharmaceuticals. More information is available at www.questdiagnostics.com. Language Assistance / Non-Discrimination Notice Asistencia de Idiomas / Aviso de no Discriminación 語言協助 / 不歧視通知 www.QuestDiagnostics.com/home/nondiscrimination
- Website
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http://www.questdiagnostics.com
External link for Quest Diagnostics
- Industry
- Medical and Diagnostic Laboratories
- Company size
- 10,001+ employees
- Headquarters
- Secaucus, NJ
- Type
- Public Company
- Founded
- 1967
- Specialties
- Diagnostic testing information and services, Clinical testing, cancer diagnostics and anatomic pathology services, Gene-based and other esoteric testing, and Healthcare information technology solutions
Products
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Quanum Practice Management
Medical Practice Management Software
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Employees at Quest Diagnostics
View 33k employees at Quest Diagnostics
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Locations
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Primary
Get directions
500 Plaza Drive
Secaucus, NJ 07094, US
Updates
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Access to quality care starts with strong communities, and nobody understands a community’s unique needs better than a Community Health Worker (CHW). From helping expecting mothers navigate prenatal care to connecting patients with nutritious food and benefits enrollment, CHWs address the crucial Social Drivers of Health (SDoH) every single day. At the Quest Diagnostics Foundation, one of our core missions is building a scalable, sustainable model for CHWs across the country. That’s why we are so incredibly proud of the work being done by our grantees Health Coalition of Passaic County (HCPC Inc.) and St. Joseph's Health Foundation Together, they are ensuring that high-risk individuals have access to the trusted, culturally competent care they deserve. Join us in thanking a CHW in your community today! Drop a 💚 in the comments to show your support. #CHWAwarenessWeek #CommunityHealth #QuestDiagnosticsFoundation
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"If you are just starting out or thinking about making a career pivot: raise your hand, seek out community, and don't be afraid of the deep end.” – Treavone Garrett, Manager, Environmental Health and Safety (EHS), Quest Diagnostics. Read his story: https://bit.ly/4zWkKxY #QuestPurpose #TheQuestWay #QuestDiagnostics
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Community Health Workers (CHWs) are the bridge between clinical care and community trust. 🤝 This National Community Health Worker Awareness Week (NCHWAW), the Quest Diagnostics Foundation is proud to celebrate the CHWs and promotoras working tirelessly on the front lines of health equity. We are honored to support grantees like Florida International University Foundation, March of Dimes, and Druid Hill YMCA who are training and sustaining CHWs to improve maternal and cardiometabolic health outcomes in our most vulnerable neighborhoods. Thank you for making a healthier world possible! 💙 #CommunityHealthWorkers #CHWAwarenessWeek #QuestDiagnosticsFoundation
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A significant step forward in Alzheimer's disease diagnostics. We will offer Roche's FDA-cleared Elecsys® pTau217 blood test through our AD-Detect® portfolio, expanding access to an important blood-based biomarker for assessing Alzheimer's disease pathology. The test joins Quest's growing offering of innovative blood-based diagnostics designed to support clinicians and patients. #HealthcareInnovation #AlzheimersDisease #Diagnostics
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We continue to expand our testing portfolio by investing in research and development and applying what we learn to new and current tests. In 2025, we introduced new tests and advanced offerings in neurology, autoimmune disease, women’s and reproductive health, oncology, and infectious disease. Learn more about our innovation efforts in the 2025 Corporate Responsibility Report. https://prn.to/4eqsluK
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Our genetic counselors are leaders both inside Quest and across the wider genetics community, and we are thrilled to cheer on Kelly Tangney, MS, CGC as she shares her expertise as a featured speaker during the National Society of Genetic Counselors (NSGC) upcoming webinar. Check out her original post below for all the details and to secure your spot today.
I am thrilled to be speaking at the upcoming National Society of Genetic Counselors webinar: "Leading Without the Title: How Genetic Counselors Can Navigate Leadership Across Changing Roles." As genetic counselors, we are increasingly moving into roles where leadership happens through influence, clinical expertise, and strategic cross-functional partnerships rather than formal management. In this session, we’ll move beyond generic leadership advice and dive into a real, peer-to-peer conversation grounded in actual role transitions within the genetics and diagnostics space. Whether you are a seasoned GC in a commercial role, navigating a recent shift to peer-level influence, or just wondering how leadership fits into your evolving professional identity, this conversation is for you. 🗓️ Date: Wednesday, August 19, 2026 🕛 Time: 12:00 PM CDT 📍 Register here: https://lnkd.in/g_3tjG8V I hope to see you there!