Exceltox Laboratories

Disclosed May 7, 20214,571 affectedConfirmed

The covered entity (CE), Exceltox Laboratories, reported that a shipping company lost its documents that contained the protected health information (PHI) of 4,571 individuals. The PHI involved included names, Social Security numbers, addresses, dates of birth, lab results, and claims information. The CE notified HHS, affected individuals, and the media.

What is known

People affected	4,571 (as reported to HHS)
Disclosed	May 7, 2021
Happened	Feb 15, 2021
Attack	Lost or stolen device
Data exposed	NamesHealth
Sector	Healthcare · US
Status	Confirmed

Sources

Official noticeoag.ca.gov

California Attorney General breach notice: Exceltox Laboratories

Official noticeocrportal.hhs.gov

HHS OCR breach report (archive, resolved): Exceltox Laboratories (Healthcare Provider, CA)

Notices filed

Residents of CAMay 7, 2021

California AGCount not stated

TotalMay 7, 2021

HHS archive4,571 people

History of this record

attack2026-09-25

unknown to lost-deviceby backfillSource

data_types2026-09-25

[] to ["names","health"]by backfillSource

records_basis2026-09-25

empty to hhsby backfillSource

records2026-09-25

empty to 4571by backfillSource

summary2026-09-25

empty to The covered entity (CE), Exceltox Laboratories, reported that a shipping company lost its documents that contained the protected health information (PHI) of 4,571 individuals. The PHI involved included names, Social Security numbers, addresby backfillSource

Added2026-09-25

First recordedby backfillSource

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

Everything about Exceltox Laboratories