Corporate Profile

Quest Diagnostics 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 46,000 employees understand that, in the right hands and with the right context, our diagnostic insights can inspire actions that transform lives.

Read more

Why Invest?

One Vision

2-Point Strategy

Three Goals

The Leader in Diagnostic Information Services

Powerful Brand within Health Care

Our People

Strong Track Record of Value Creation

Press Releases

All Releases

Upcoming Events

All Events