https://newsroom.questdiagnostics.com/ Quest diagnostics offers a comprehensive menu of routine and specialty laboratory tests and services. With the consolidated capabilities of our regional laboratories, expanding international presence and the additional esoteric capabilities of Nichols Institute, we are able to offer unequaled convenience in utilizing one laboratory for all diagnostic and prognostic clinical testing needs. https://newsroom.questdiagnostics.com/2026-05-19-Quest-Diagnostics-Declares-Quarterly-Cash-Dividend Tue, 19 May 2026 16:37:00 -0400 https://newsroom.questdiagnostics.com/2026-05-19-Quest-Diagnostics-Declares-Quarterly-Cash-Dividend https://newsroom.questdiagnostics.com/2026-04-27-Quest-Diagnostics-Prices-500-Million-of-Senior-Notes Mon, 27 Apr 2026 16:10:00 -0400 https://newsroom.questdiagnostics.com/2026-04-27-Quest-Diagnostics-Prices-500-Million-of-Senior-Notes https://newsroom.questdiagnostics.com/2026-04-21-Quest-Diagnostics-Reports-First-Quarter-2026-Financial-Results-Raises-Revenue-and-EPS-Guidance-for-Full-Year-2026 Tue, 21 Apr 2026 06:47:00 -0400 https://newsroom.questdiagnostics.com/2026-04-21-Quest-Diagnostics-Reports-First-Quarter-2026-Financial-Results-Raises-Revenue-and-EPS-Guidance-for-Full-Year-2026 https://newsroom.questdiagnostics.com/2026-04-16-City-of-Hope-to-Evaluate-Quest-Diagnostics-Haystack-MRD-R-for-Guiding-Patient-Management-in-Multiple-Cancers Thu, 16 Apr 2026 09:00:00 -0400 https://newsroom.questdiagnostics.com/2026-04-16-City-of-Hope-to-Evaluate-Quest-Diagnostics-Haystack-MRD-R-for-Guiding-Patient-Management-in-Multiple-Cancers https://newsroom.questdiagnostics.com/2026-03-19-Quest-Diagnostics-to-Release-First-Quarter-Financial-Results-on-April-21,-2026 Thu, 19 Mar 2026 10:00:00 -0400 https://newsroom.questdiagnostics.com/2026-03-19-Quest-Diagnostics-to-Release-First-Quarter-Financial-Results-on-April-21,-2026