| 2026-07-08 | Press release | Quest Diagnostics Now the Largest Clinical Reference Lab to Extend Oncology Test Access Through OncoEMR MPI |
| 2026-06-24 | Press release | Quest Diagnostics Receives New York State Approval for Haystack MRD®, Broadening Patient Access to ctDNA Minimal Residua |
| 2026-06-18 | Press release | Download , UTI-causing Bacteria Resistant to Current Drugs, Finds National Study by Hackensack Meridian CDI and Quest Di |
| 2026-06-17 | Press release | Download , Quest Diagnostics to Release Second Quarter Financial Results on July 23, 2026, 06/17/2026, (opens in new win |
| 2026-06-17 | Press release | Quest Diagnostics to Release Second Quarter Financial Results on July 23, 2026 |
| 2026-06-16 | Press release | Download , Quest Diagnostics Unveils Achievements in Healthcare Access, Employee Engagement and Environmental Sustainabi |
| 2026-06-16 | Press release | Quest Diagnostics Unveils Achievements in Healthcare Access, Employee Engagement and Environmental Sustainability in 202 |
| 2026-05-19 | Press release | Download , Quest Diagnostics Declares Quarterly Cash Dividend, 05/19/2026, (opens in new window) |
| 2026-05-19 | Press release | Quest Diagnostics Declares Quarterly Cash Dividend |
| 2026-04-27 | Press release | Download , Quest Diagnostics Prices $500 Million of Senior Notes, 04/27/2026, (opens in new window) |
| 2026-04-27 | Press release | Quest Diagnostics Prices $500 Million of Senior Notes |
| 2026-04-21 | Press release | Quest Diagnostics Reports First Quarter 2026 Financial Results; Raises Revenue and EPS Guidance for Full Year 2026 |
| 2026-04-21 | Press release | Download , Quest Diagnostics Reports First Quarter 2026 Financial Results; Raises Revenue and EPS Guidance for Full Year |
| 2026-04-16 | Press release | Download , City of Hope to Evaluate Quest Diagnostics' Haystack MRD® for Guiding Patient Management in Multiple Cancers, |
| 2026-04-16 | Press release | City of Hope to Evaluate Quest Diagnostics' Haystack MRD® for Guiding Patient Management in Multiple Cancers |
| 2026-03-19 | Press release | Download , Quest Diagnostics to Release First Quarter Financial Results on April 21, 2026, 03/19/2026, (opens in new win |
| 2026-02-25 | Press release | Download , Quest Diagnostics to Speak at the Leerink 2026 Global Healthcare Conference, 02/25/2026, (opens in new window |
| 2026-02-10 | Earnings deck | supplemental Open Event Link, PDF file, 02/10/2026, (opens in new window) |
| 2026-02-10 | Press release | Download , Quest Diagnostics Reports Fourth Quarter and Full Year 2025 Financial Results; Provides Guidance for Full Yea |
| 2026-02-10 | Press release | Quest Diagnostics Reports Fourth Quarter and Full Year 2025 Financial Results; Provides Guidance for Full Year 2026; Inc |
| 2026-02-02 | Press release | Download , Quest Diagnostics Launches Novel Flow Cytometry MRD Blood Test for Myeloma, Enabling Ultrasensitive Detection |
| 2026-01-08 | Press release | Download , Quest Diagnostics to Release Fourth Quarter and Full Year 2025 Financial Results on February 10, 2026, 01/08/ |
| 2026-01-08 | Press release | Quest Diagnostics to Release Fourth Quarter and Full Year 2025 Financial Results on February 10, 2026 |
| 2026-01-06 | Press release | Download , Data Featuring Haystack MRD® from Quest Diagnostics to be Presented at the 2026 ASCO Gastrointestinal Cancers |
| 2026-01-05 | Press release | Download , Corewell Health and Quest Diagnostics Complete Laboratory Joint Venture Transaction in Michigan, 01/05/2026, |
| 2025-10-21 | Earnings deck | Q3 |
| 2025-07-22 | Press release | Q2 |
| 2025-04-22 | Press release | Q1 |
| 2025-03-19 | Presentation | Download PDF file, (opens in new window) |
| 2025-01-30 | Press release | Q4 |
| 2024-10-22 | Press release | Q3 |
| 2024-07-23 | Press release | Q2 |
| 2024-04-23 | Press release | Q1 |
| 2024-02-01 | Press release | Q4 |
| 2023-10-24 | Press release | Q3 |
| 2023-07-26 | Press release | Q2 |
| 2023-04-27 | Press release | Q1 |
| 2023-02-22 | Financial supplement | Q4 |
| 2023-02-02 | Press release | Q4 |
| 2022-10-20 | Press release | Q3 |