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C Quest Diagnostics NEWS RELEASE Quest Diagnostics Reports Third Quarter 2021 Financial Results , Raises Outlook for Full Year 2021 10/21/2021 - Third quarter revenues of $ 2.77 billion , down 0.4 % from 2020 - Third quarter reported diluted earnings per share ( " EPS " ) of $ 4.02 , down 2.8 % from 2020 ; and adjusted diluted EPS of $ 3.96 , down 7.9 % from 2020 -Year to date cash provided by operations of $ 1.75 billion , up 19.6 % from 2020 Raises full year 2021 outlook to reflect higher than anticipated COVID - 19 testing volumes and base business performance SECAUCUS , N.J. , Oct. 21 , 2021 / PRNewswire / -- Quest Diagnostics Incorporated ( NYSE : DGX ) , the world's leading provider of diagnostic information services , announced today financial results for the third quarter ended September 30 , 2021 . " We had a strong third quarter , as COVID - 19 molecular volumes increased throughout the summer while our base business continued to deliver solid volume growth versus the prior year and 2019 , " said Steve Rusckowski , Chairman , CEO and President . " In late summer we experienced some softness in the base business across the country , but saw an overall rebound in September . Importantly , our base business continued to improve sequentially in the third quarter which speaks to the ongoing recovery . " " We have raised our outlook for the remainder of the year based on higher than anticipated COVID - 19 volumes as well as the continued progress we expect to see in our base business despite rising labor costs and inflationary pressures . The momentum of our base business positions us to deliver the 2022 outlook we shared at our March investor day . " 1