Latest Quest Diagnostics News & Updates

See the latest news and media coverage for Quest. We track all announcements, press releases, and industry mentions in real time, all in one place.

Company icon
Quest Diagnostics (Quest)

Medical diagnostic testing and laboratory services provider

questdiagnostics.com
Headquarters
Secaucus, United States
Founded year
1967
Company type
Public company
Number of employees
30,000+

Last updated

Latest news about Quest Diagnostics (Quest)

In short: Quest Diagnostics raised its 2026 financial outlook after reporting strong Q1 results and pricing a $500 million senior notes offering.

Company announcements

  • Quest

    Quest Diagnostics prices $500 million senior notes

    The 5.000% notes due 2036 will close on May 6, 2026. Proceeds fund general corporate purposes, possibly repaying $500 million 3.45% notes maturing June 1, 2026.

  • Quest

    Quest Diagnostics reports Q1 2026 financial results

    Revenues reach $2.90 billion, up 9.2%; adjusted EPS $2.50, up 13.1%. Raises full-year revenue and EPS guidance.

  • Quest

    Quest performs all WHOOP blood testing

    Quest exclusively handles blood testing for WHOOP Specialized Panels in the US, delivering accurate health data amid rising demand for personalization.

  • Quest

    Quest announces City of Hope evaluates Haystack MRD

    Fourteen U.S. sites will use the ctDNA test for breast, colorectal, ovarian, and prostate cancer patients in clinical trials. It aims to guide management, detect recurrence early.

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Media coverage

  • MSN

    UnitedHealth, Quanta, Quest lift FY26 outlook after Q1 beats

    Earnings beats: All three companies exceeded EPS and sales forecasts in Q1 2026, showing strong operational performance. Raised forecasts: UnitedHealth, Quanta, and Quest Diagnostics upgraded...

  • The Globe and Mail

    Quest Diagnostics Prices $500 Million Senior Notes Offering

    Detailed price information for Quest Diagnostics Inc (DGX-N) from The Globe and Mail including charting and trades.

  • Morningstar

    Quest Diagnostics Prices $500 Million of Senior Notes

    Quest Diagnostics Incorporated (NYSE: DGX) (the "Company"), a leader in diagnostic information services, today announced the pricing of a public offering of $500 million aggregate...

  • MSN

    Quest Diagnostics lifts 2026 outlook after strong Q1 growth

    Quest Diagnostics reported a 9.2% year-over-year revenue increase in Q1 2026, almost entirely organic, alongside double‑digit EPS growth. The company raised its full‑year revenue and...

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