Quest Diagnostics

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. The company offers physicians the broadest test menu (3,000+ tests), is a pioneer in developing innovative new tests, is the leader in cancer diagnostics, provides anatomic pathology services, & interpretive consultation through its medical & scientific staff. Quest Diagnostics offers the most extensive clinical testing network in the U.S., with laboratories in most major metropolitan areas, & in Mexico, the UK & India.
Madison, US
Size (employees)
45,000 (est)+3%
Quest Diagnostics is headquartered in Madison, US

Key People at Quest Diagnostics

Stephen H. Rusckowski

Stephen H. Rusckowski

Chairman, President and Chief Executive Officer

Quest Diagnostics Office Locations

Quest Diagnostics has office in Madison
Madison, US

Quest Diagnostics Metrics

Quest Diagnostics Summary

Market capitalization

$13.6 b

Closing share price

Quest Diagnostics's current market capitalization is $13.6 b.

Quest Diagnostics Financials

Quest Diagnostics's revenue is $7.5 b in FY, 2016 which is a 0.3% increase from the previous period.
FY, 2013FY, 2014FY, 2015FY, 2016


$7.1 b$7.4 b$7.5 b$7.5 b

Revenue growth, %


Cost of goods sold

$4.3 b$4.6 b$4.7 b$4.6 b

Gross profit

$2.8 b$2.8 b$2.8 b

Operating expense total

$1.3 b$1.8 b$1.4 b


$1.5 b$983 m$1.4 b$1.3 b

Interest expense

$159 m$164 m$153 m$143 m

Income tax expense

$500 m$262 m($373 m)($429 m)

Net Income

$883 m$592 m$753 m$696 m

Operating cash flow

($126 m)$5 m($59 m)

Quest Diagnostics Market Value History

Quest Diagnostics Online Presence

Quest Diagnostics News

Quest Diagnostics Company Life

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