Quest Diagnostics



Quest Diagnostics

Connecting you with test results

Times like these remind us we're all interconnected. From healthcare workers on the front lines to those simply staying at home, each of us has a part to play.

At Quest, our part is to provide clarity and results in the face of uncertainty. We take that commitment to heart and are working tirelessly to deliver the answers and connections that will help us overcome this challenge together.


Quest Diagnostics lab employees and support staff Quest Diagnostics lab employees and support staff

In just a few short weeks, COVID-19 has changed all our lives. Everyone has questions and concerns. For ourselves and our families. I want to talk about how we're going to get through this together.

Steve RusckowskiChairman, President and CEO

Strength in numbers

See how Quest measures up as a strong force to help our country fight COVID-19.

March 9 2020

Quest introduced a new lab-developed test for COVID-19—2 days before the virus was labeled a worldwide pandemic.

April 20 2020

Quest launched IgG antibody serology testing by blood draw to help patients and healthcare professionals identify who may have been previously exposed to the SARS-CoV-2 virus and may have developed an immune response to the virus.


At the peak of the crisis, Quest lab services accounted for nearly half of all COVID-19 testing across the US.


tests performed

Quest labs processed 2.65 million COVID-19 active infection tests and 1.25 million immune response tests from March 9 – May 26. That number continues to climb.


tests per day

By mid May, Quest was processing as many as 80,000 COVID-19 active infection tests and 200,000 immune response tests per day.


team members

Quest’s 46,000 passionate employees are committed to delivering diagnostic insights and supporting the effort to fight COVID-19.

Quest employee with mask
Quest aircraft Quest vehicles


Quest's fleet of 25 aircraft quickly moves specimens from point A to point B.


Thousands of courier vehicles transport tests from hospitals and healthcare provider offices to Quest laboratories throughout the United States.


A dozen Quest laboratories across the country are processing COVID-19 tests.


Quest has 4 decades of experience leading infectious disease testing during public health emergencies, including Zika, SARS, and H1N1 influenza testing.

Quest Diagnostics Building
Man and Daughter taking a selfie

How we're doing our part

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Disclaimer: Images are illustrative and may not reflect latest guidelines toward personal protective equipment or social distancing.

Have questions about COVID-19? Let’s chat.