Quest Diagnostics Incorporated (DGX), headquartered in Secaucus, New Jersey, is a leader in diagnostic information services. The company operates numerous patient service centers and laboratories worldwide, providing routine, esoteric, and advanced testing for conditions including cancer, infectious diseases, and cardiovascular diseases. It supports physicians, hospitals, and employers through molecular diagnostics, anatomic pathology, and health IT solutions. With operations in diagnostic information se ...

Core Insights - Quest Diagnostics will present its strategy, performance, and market trends at the Jefferies Healthcare Services Conference on September 29, 2025 [1] - The presentation will include a live webcast available on the company's investor relations page, with an archived version accessible for 24 hours post-event [2] - Quest Diagnostics serves a significant portion of the U.S. population, providing diagnostic insights that empower health management [3] Company Overview - Quest Diagnostics is a leader in diagnostic information services, aiming to improve health outcomes through laboratory testing [3] - The company operates one of the largest databases of de-identified clinical lab results, which aids in disease identification and treatment [3] - Annually, Quest Diagnostics serves one in three adult Americans and half of the physicians and hospitals in the U.S. [3] Recent Developments - Quest Diagnostics has launched an advanced pharmacogenomic (PGx) laboratory offering, enhancing its service portfolio [4] - The 2025 Quest Diagnostics Drug Testing Index indicates a significant increase in fentanyl positivity in random tests compared to pre-employment screenings [5]