Quest Diagnostics Inc

DGX: XNYS (USA)

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Quest Diagnostics: Stellar Start to 2026, but Medical Utilization Could Soften in 2026

Debbie S. Wang

Apr 21, 2026

Quest posted first-quarter performance that included organic revenue and adjusted earnings growth of 9% and 12%, respectively, year over year. Clinical diagnostic volume rose 11% organically, more than offsetting revenue per requisition that declined 1%.

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How we make money

We sell different types of products and services to both investment professionals and individual investors. These products and services are usually sold through license agreements or subscriptions. Our investment management business generates asset-based fees, which are calculated as a percentage of assets under management. We also sell both admissions and sponsorship packages for our investment conferences and advertising on our websites and newsletters.

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Maintaining independence and editorial freedom is essential to our mission of empowering investor success. We provide a platform for our authors to report on investments fairly, accurately, and from the investor’s point of view. We also respect individual opinions––they represent the unvarnished thinking of our people and exacting analysis of our research processes. Our authors can publish views that we may or may not agree with, but they show their work, distinguish facts from opinions, and make sure their analysis is clear and in no way misleading or deceptive.

To further protect the integrity of our editorial content, we keep a strict separation between our sales teams and authors to remove any pressure or influence on our analyses and research.

Read our editorial policy to learn more about our process.

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Quest Diagnostics Inc

Quest Diagnostics: Stellar Start to 2026, but Medical Utilization Could Soften in 2026

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