DisclosureLens
AccidentalHealthcareHealthcareMisdeliveryCustomer Data InvolvedHealth (basic)Identity (basic)Government IDMediumContained

QUEST DIAGNOSTICS INCORPORATED

bd_0822af7498bd4673 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

May 13, 2026

To disclose

—

Affected

1state residents only

Confidence

67%
Full breach record for QUEST DIAGNOSTICS INCORPORATED →92 incidents on file

ExamOne, a Quest Diagnostics company, notified Massachusetts residents via letter dated May 5, 2026, regarding a misdelivery of life insurance application paperwork. Specimens and paperwork containing personal information (name, address, DOB, last 4 digits of SSN, driver's license, phone, policy number, physical measurements, medications) were not received by the testing laboratory as expected. ExamOne stated there is no reason to believe information was stolen or misused, but offered 2 years of free Equifax credit monitoring. No specific count of affected individuals was disclosed in this notice.

Incident timeline — partial

? — ?

Breach window unknown

May 13, 2026

Filed

—

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.