A security breach at a third-party billing collections firm that did business with Quest Diagnostics may have also exposed the personal and financial data on 7.7 million LabCorp customers, the medical testing company said Tuesday.
In a filing Tuesday with the Securities and Exchange Commission, LabCorp said it was recently notified about a security breach that occurred at the American Medical Collection Agency, between August 1, 2018, and March 30, 2019. AMCA is an external collection agency used by LabCorp and other healthcare companies.
LabCorp has referred approximately 7.7 million consumers to AMCA whose data was stored in the affected AMCA system. AMCA’s affected system included information provided by LabCorp, the company said in the filing.
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