HHS OCR report ยท 2021
Exceltox Laboratories data breach
Exceltox Laboratories, a healthcare provider in California, reported a breach affecting 4,571 individuals to HHS OCR on May 7, 2021.
OCR report facts
- Covered entity
- Exceltox Laboratories
- Entity type
- Healthcare Provider
- State
- California
- Individuals affected
- 4,571
- Submission date
- May 7, 2021
- Type of breach
- Loss
- Location of breached information
- Paper/Films
- Business associate present
- No
- Status
- Archive (closed)
OCR description
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.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Exceltox Laboratories data breach?
The report to HHS OCR lists 4,571 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on May 7, 2021.
What type of breach was it?
The OCR portal lists the type of breach as Loss, with the breached information located in: Paper/Films.
Is the investigation still open?
No. The report is in the OCR portal archive, which holds reports where OCR has closed its review.
Is a breach notice letter from Exceltox Laboratories legitimate?
This site cannot verify letters. Check the sender against the organisation's official website and the HHS OCR breach portal, and avoid calling numbers or clicking links only listed in an unexpected message. See our guide on what to do after a data breach notice.
Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or Exceltox Laboratories.