HHS OCR report · 2022
Molecular Pathology Laboratory Network, Inc. data breach
OCR report facts
- Covered entity
- Molecular Pathology Laboratory Network, Inc.
- Entity type
- Healthcare Provider
- State
- Tennessee
- Individuals affected
- 339,471
- Submission date
- Mar 3, 2022
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Molecular Pathology Laboratory Network, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 339,471 individuals. The PHI involved included names, dates of birth, addresses, gender, phone numbers, email addresses, Social Security numbers, drivers’ license numbers, financial information, diagnoses, lab results, medications, health insurance information, and other treatment information. The CE notified HHS, affected ...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Molecular Pathology Laboratory Network, Inc. data breach?
The report to HHS OCR lists 339,471 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Mar 3, 2022.
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 Molecular Pathology Laboratory Network, Inc. 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 Molecular Pathology Laboratory Network, Inc..