Quest Diagnostics is more than a lab. We’re an innovative leader in test development with clinical experts, resources, and services to help you meet your patients’ needs. From our groundbreaking response to COVID-19 to our broad and deep menu of 3,500 routine, esoteric and genetic tests, we connect the most advanced solutions with healthcare providers and patients—regardless of where they are or what their health status is.
Our access to industry-leading expertise and substantial investments in operations empowers us to stay ahead of the latest technology to develop highly accurate testing on the most efficient platforms so you can do more for your patients.
Delivering the best healthcare possible shouldn’t be complicated. We help simplify end to end laboratory diagnostic processes with intuitive tools that can help your practice run efficiently, and can help keep your patients actively engaged in their health.
Our nationwide footprint and extensive partnerships with technology leaders, health plans, and labs translates into advanced testing at the right price for you and your patients.
Our diagnostic leadership enables an entire ecosystem of solutions, medical expertise, and services that are exclusively focused on supporting you as you help your patients live their healthiest lives.
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.
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Your doctor must have ordered your COVID-19 antibody testing or you must have purchased a test
through QuestDirect. COVID-19 is highly contagious. If you are currently experiencing COVID-19
symptoms, you must first contact your doctor for next steps..
We can only accept patients in our Patient Service Centers who have been confirmed to be COVID-19
symptoms-free for at least 10 days.