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Toggle navigation
Home
Drug Testing
Collections
Urine testing
Oral Fluid testing
Hair testing
Instant testing
Clinical testing
International testing
Drugs & Alcohol
Illicit drugs
Synthetic drugs
Alcohol
Marijuana
Online Solutions
Employer Solutions Portal
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By the Numbers
New to Drug Testing
An Exploration of Addiction
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Quest Diagnostics Employer Solutions Blog
Resources:
Case Studies
Hair testing drug recovery study
Scientific analysis of our hair drug testing process across 5 drug classes: amphetamines, cocaine, opiates, THC, and PCP.
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