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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