LabCorp

Disclosed Jun 4, 20197,700,000 affectedConfirmed

AMCA collection agency breach affects 7.7 million LabCorp consumers

LabCorp said collections vendor AMCA reported unauthorized activity on its web payment page between August 2018 and March 2019; LabCorp had referred about 7.7 million consumers whose data sat in the affected system.

What is known

People affected	7,700,000 (as reported by the organization)
Disclosed	Jun 4, 2019
Attack	Vendor breach
Data exposed	NamesDates of birthAddressesPhone numbersFinancialPayment cards
Sector	Healthcare · US
Status	Confirmed

Sources

SEC filingsec.gov

Laboratory Corp of America Holdings 8-K (June 4, 2019)

Notices filed

TotalJun 4, 2019

Research7,700,000 people

History of this record

Added2026-09-25

First recordedby seedSource

First seen 2026-09-25 (Research), confirmed by Research. Record counts are as reported. Not legal advice.

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