Where Is Quest Diagnostics Located?


Quick Answer

According to the Quest Diagnostics website, the company is headquartered in Madison, New Jersey, but offers products and services in thousands of locations in over 130 countries, including India, Ireland, Mexico, and the United Kingdom.

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Full Answer

Quest Diagnostics is a U.S. company that provides clinical laboratory services, such as cholesterol, glucose, and drug testing. The company's website offers a search tool that allows users to input their location, select the type of laboratory testing needed, and select a date and time for an appointment, which can be scheduled online. The company can also be reached at its general telephone number: (866) 697-8378.

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