Quest Diagnostics

"In health care, it's vital that a job gets done properly. But when people make a special effort to remember the human side of what is going on, then the job becomes a labor of love." Written by the family of a patient in a heartfelt letter of thanks to several of our employees.

Quest Diagnostics is People. Dedicated people who understand that behind every specimen and result there is a human life.

Our employees play a critical role in healthcare delivery and enable better healthcare choices by providing unsurpassed diagnostic insights to our customers. Quest Diagnostics employees are dedicated to serving our customers, and Our Vision, Mission and Values guide everything that we do.

Unsurpassed National Coverage with Worldwide Presence
Quest Diagnostics provides access to high quality testing and services throughout the United States. With almost 2,000 patient service centers, approximately 155 rapid response laboratories, 30-plus regional laboratories and esoteric testing laboratories on both coasts we provide a broad range of services to our customers. We also have an international presence and the capability to provide services beyond our brick and mortar locations world-wide.