Quest Diagnostics stands by the accuracy of our test results. We've demonstrated through scientific analysis that our hair testing process yields accurate, dependable results with excellent drug recovery across five drug classes.
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Quest Diagnostics lab experts present the science of this increasingly popular test while dispelling some of the myths around drug screening with hair.
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A Fortune 50 customer that moved their hair testing programs to Quest Diagnostics talks about the value of a comprehensive program with great customer service.
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We are dedicated to delivering exceptional service. We’re also pleased to offer a comprehensive range of drug testing solutions backed by a culture that’s committed to showing we’re there when you need us.
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