Quest Diagnostics Inc

DGX: XNYS (USA)

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Quest Diagnostics Remains a Dominant Competitor in Independent Labs

Debbie S. Wang

Mar 4, 2026

Business Strategy and Outlook

Quest Diagnostics is a leading provider of independent diagnostic testing in the US thanks to its network of roughly 2,400 patient service centers across the country. Quest's size-driven cost advantage allow the firm to benefit from several secular trends, including the proliferation of diagnostic tests and greater clinical reliance on personalized therapies. Additionally, Quest is enjoying a reprieve from Medicare-related pricing pressure as regulators tinker with the method for setting lab test reimbursement rates.

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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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To learn more about how we handle and protect your data, visit our privacy center.

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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 Remains a Dominant Competitor in Independent Labs

Business Strategy and Outlook

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