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Holiday schedule

Our Patient Service Centers will be closed on Wednesday, December 25, 2024 in observance of Christmas and Wednesday, January 1, 2025 in observance of New Year's Day. Have a healthy, happy holiday.

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Quest Diagnostics

Life sciences

Connecting life sciences to Quest Diagnostics

Access the reach, expertise, and renowned quality of Quest for every milestone of your project—from R&D consulting through clinical trials, commercialization, and post-launch surveillance. Together we have the power to deliver better outcomes.
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Research &
discovery
Clinical trial lab services (phases I-IV)
Companion diagnostics & assay development
Commercialization & sponsored testing

Making a difference every single day

3,500+

Clinical tests

1,000+

RUO biomarkers

650+

MDs & PhDs

200M+

Patients per year

Solutions that meet your needs

To accelerate R&D programs, Quest Diagnostics offers a full suite of solutions for pharma, biotech, clinical research organizations, and the in vitro diagnostics industry. Each solution aligns the expertise and resources of Quest to research projects of all sizes.

Pharma
Biotech
CRO
Academic
MedTech

EXPERT-DRIVEN PARTNERSHIP

We bring Quest’s expertise and quality to each project 

You’ll have direct access to our team of experienced physicians, scientists, and researchers who are leaders in their fields. Each is committed to building strong relationships with our partners to drive research efforts forward. By working together, we can improve outcomes for patients around the world.
Speak to an expert
Lab workers working together

Comprehensive development solutions

  • Design & development consulting
  • Biomarker strategy & development
  • Phase I-IV clinical solutions
  • Decentralized clinical trials
  • Global laboratories
  • Specialty testing
  • Data, analytics, and informatics
  • Regulatory consulting
  • Companion diagnostics
  • Market access
  • Commercialization solutions
  • Patient support services

Quest resources at a glance

15 years of longitudinal data

2,250+ patient service centers nationwide

12,000 phlebotomists

5,000+ mobile phlebotomists

Let’s discuss your project

Contact our experts to design a custom program to accommodate the needs of your study.

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Let's discuss your next project

Connect with our team of experts today.

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Solutions

Services

Expertise

Life Sciences

Our company

Quest® is the brand name used for services offered by Quest Diagnostics Incorporated and its affiliated companies. Quest Diagnostics Incorporated and certain affiliates are CLIA-certified laboratories that provide HIPAA-covered services.  Other affiliates operated under the Quest® brand, such as Quest Consumer Inc., do not provide HIPAA-covered services. 

 

Quest®, Quest Diagnostics®, any associated logos, and all associated Quest Diagnostics registered or unregistered trademarks are the property of Quest Diagnostics. All third-party marks—® and ™—are the property of their respective owners. © 2024 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.