Quest Diagnostics data breach could affect almost 12 million patients

Millions of Quest Diagnostics customers were affected by a data breach.
Millions of Quest Diagnostics customers were affected by a data breach.(WRDW)
Published: Jun. 4, 2019 at 8:39 AM EDT
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Tuesday, June 4, 2019

(WRDW/WAGT) -- Quest Diagnostics patients may have been exposed to a massive, nationwide data breach.

According to a press release, 11.9 million Quest customers were victims of the breach, which may expose personal information including financial data, Social Security numbers, and medical information. Lab results

were not

exposed in the breach, according to Quest.

The issue was discovered by the billing collection agency American Medical Collection Agency (AMCA). That agency provides billing collections services to Optum360, which in turn is a Quest contractor.

It's unclear which patients were affected, or if there is a particular region affected. Quest says they are working closely with Optum260 to notify those patients.

There are multiple Quest laboratories across the CSRA.

In a press release, Quest says: "We are committed to keeping our patients, health care providers, and all relevant parties informed as we learn more."

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