Quest Lab Customer Service Phone Number

Phone Number of Quest Lab is 1 (800) 222-0446 .
Quest Lab is originally known as Quest Diagnostics Incorporated. Quest Diagnostics is a health care services providing company which is engaged in providing complete range of clinic laboratory services such as testing services, on-site screening, phlebotomy services and many more. The company is contracted with various hospitals and clinics in serving locations of the world to provide various test services. The company operates its business in several countries which includes Brazil, India, United Kingdom, Mexico and others. The company is honored with listed in the Fortune 500 and the S&P 500. The company employs with more than 43,000 people worldwide. According to 2012, the company had over US$7.35 Billion revenues. The company has established more than 2,000 patient locations in major metropolitan locations of the United States. It uses several latest treatment technologies such as Polymerase Chain Reaction (PCR), Chemiluminescence Enzyme Immuno Assay (CLIA), High Performance Liquid Chromatography (HPLC) and others. Besides this, the company offers online appointment and other online facilities to Customers.

Quest Lab History

Quest Diagnostics Incorporated came into existence in the year 1967 through the efforts of Paul A. Brown. The company was originally emerged with the name of “Metropolitan Pathology Laboratory, Inc.” in New York. The company conducts all kinds of business operations through administrative office that is situated in Madison, New Jersey, United States.

Quest Lab Address

The address of Quest Lab is 3 Giralda Farms, Madison 07940, New Jersey, United States.

Quest Lab Website

The Website of Quest Lab is

Quest Lab Customer Support Service Phone Number

The customer support phone number of Quest Lab is 1 (800) 222-0446 (Click phone number to call).


The postal and official address, email address and phone number (helpline) of Quest Lab Service Center and Quest Lab customer service phone number is given below. The helpline of Quest Lab customer service phone number may or may not be toll free.

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