Quest Diagnostics Data Breach Claims

Did Quest Diagnostics have your health information?

Quest Diagnostics patients may have had personal information exposed in the October 2026 Quest Diagnostics data breach.

If your information was involved, you may be eligible to seek compensation and other relief.

Quest Diagnostics has said it learned on October 21, 2026 of unauthorized access to its Quanum system — a platform that health care practices use to order lab tests and receive results — and that it believes an unauthorized party accessed certain patient records. Its investigation is ongoing, and the full scope of the incident, including which information was involved, has not yet been determined.

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Two quick questions — free and confidential.

Has Quest Diagnostics ever had your personal or health information?
Did you receive a notice — or otherwise believe — that your information may have been involved in the Quest Diagnostics data breach?

By submitting, you agree to be contacted by phone, text, and email about your potential claim. Submitting this form does not create an attorney-client relationship.

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This page is operated, managed, maintained, and paid for by Murray Law Firm. No advertising is intended in jurisdictions where this page fails to comply with local laws or regulations. The information on this website is for general informational purposes only and does not constitute legal advice. No attorney-client relationship is created by viewing this website or submitting an inquiry to Murray Law Firm; an attorney-client relationship is only formed through a written agreement signed by both the client and Murray Law Firm.

This website is not affiliated with, endorsed by, sponsored by, or operated by Quest Diagnostics Incorporated. Quest Diagnostics is named only to identify the company that disclosed the data security incident this inquiry concerns. The description of that incident is drawn from Quest Diagnostics' own public disclosure and its Current Report on Form 8-K filed with the Securities and Exchange Commission in October 2026. Quest Diagnostics' investigation is ongoing, the full scope of the incident has not been determined, and no court has made any finding against Quest Diagnostics.

No result is guaranteed, and prior results do not guarantee a similar outcome. Whether any person qualifies or may be entitled to compensation depends on the specific facts, including whether that person's information was involved.

For more than five decades, the Murray Law Firm has stood for protecting the rights of individuals in complex litigation. Based in New Orleans, our attorneys have been integral in many of the nation's most significant cases — from environmental and toxic exposure claims to consumer and insurance disputes.