** Lab operator Quest Diagnostics' DGX.N shares fall 4.5% to $164.73
** Co says it expects headwind to revenue of about $25 mln and to EPS of about 10 cents in Q1 2025 due to "worse-than-anticipated weather"
** Earlier this year, ExamOne, a Quest subsidiary, said it faced disruptions to its operations, including temporary closures of Patient Service Centers (PSCs) and shipping delays due to severe winter weather across the US
** Quest has 2,250 PSCs across the US where people can get blood tests and other medical samples collected
** DGX gained 33.7% in the last 12 months
(Reporting by Kamal Choudhury in Bengaluru)
((Kamal.Choudhury@thomsonreuters.com;))