** Shares of lab operator Quest Diagnostics DGX.N rise as much as 7% to an over three-year high of $166.39
** Co's Q4 adj EPS of $2.23 beats Wall Street estimates of $2.19 - data compiled by LSEG
** DGX's Q4 revenue of $2.62 bln is above estimates of $2.58 bln
** Co expects 2025 revenue between $10.70 and $10.85 bln, above estimates of $10.67 bln
** Shares of peer Labcorp LH.N up 4.8%
** DGX shares rose 9.4% in 2024
(Reporting by Puyaan Singh)
((Puyaan.Singh@thomsonreuters.com;))