Hair Drug Testing

Hair testing for drugs of abuse is the only drug testing method available that provides up to a 90-day drug use history. When compared with urine testing, hair testing provides nearly twice the number of positives due to its longer detection window. While urine testing is well suited to recent drug use for post-accident or reasonable suspicion testing, a hair test is the most effective way to evaluate long-term patterns of use, making it an excellent option for a pre-employment or random testing program.

Our dependable turnaround times drive timely hiring decisions. Hair samples are sent by overnight delivery and are typically tested on the day they arrive at our laboratory. Negative results are often released within 24 hours. Non-negative screens undergo confirmatory testing and are typically released within an additional 24-72 hours.

Standard 5 Panel Hair Drug Test

Drug Group Screen Cutoff Level GC/MS Confirmation
Amphetamines (amphetamine and methamphetamine) 300 pg/mg 300 pg/mg
Cocaine metabolite 300 pg/mg 300 pg/mg
Marijuana metabolites 1 pg/mg 1 pg/mg
Opiates (codeine and morphine) 500 pg/mg 500 pg/mg
Phencyclidine 300 pg/mg 300 pg/mg

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