HHS OCR report ยท 2019
Laboratory Corporation of America Holdings dba LabCorp data breach
OCR report facts
- Covered entity
- Laboratory Corporation of America Holdings dba LabCorp
- Entity type
- Healthcare Provider
- State
- North Carolina
- Individuals affected
- 10,251,784
- Submission date
- Jul 13, 2019
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The covered entity (CE), Laboratory Corporation of America Holdings dba LabCorp, reported that its business associate (BA) Retrieval-Masters Creditors Bureau, Inc. - American Medical Collection Agency (AMCA), was the victim of a cyber-attack involving the protected health information (PHI) of 10,251,784 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, phone numbers, health insurance information, and treatment information. The CE notified HHS, ...
Text as published on the HHS OCR breach portal.
Other reports by Laboratory Corporation of America Holdings dba LabCorp
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Laboratory Corporation of America Holdings dba LabCorp | NC | Healthcare Provider | 1,431 | Sep 8, 2023 | Unauthorized Access/Disclosure | Archive (closed) |
Frequently asked questions
How many people were affected by the Laboratory Corporation of America Holdings dba LabCorp data breach?
The report to HHS OCR lists 10,251,784 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jul 13, 2019.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Network Server.
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 Laboratory Corporation of America Holdings dba LabCorp 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 Laboratory Corporation of America Holdings dba LabCorp.