Are instant drug test products accurate for positive results?

FAQ Category: Employer Drug Testing

NDS Shop Categories

NDS Blog

Using an instant drug testing product requires confirmation testing at a laboratory when the result is non-negative.  This type of testing provides only a qualitative, preliminary analytical result. A secondary analytical method must be used to obtain a confirmed result. Gas chromatography/mass spectrometry (GC/MS) is the preferred confirmatory method
…Post Accident Drug Testing … Why do Employers Conduct Post Accident Drug & Alcohol Testing? Because the greatest financial benefit from drug testing comes from post-accident testing. For workplace safety Because the greatest financial benefit from drug testing can come from the outcome of a drug or alcohol drug
Blood is not necessarily better then urine.  Urine is the standard for workplace testing in the United States.  Blood testing is invasive and the testing is expense ($150 +) and takes 4 – 5 days.  Mistakes happen because they don’t do very many.  Detection in blood goes back about
Every company is different and company drug free policies often spell out the test panel you will be testing for.  Our recommendation is to test for a five panel DOT Look a Like, a ten panel DOT Look a Like or a ten panel DOT Look a Like with
Specimen validity testing (SVT) often called testing for nitrates or Test Sure (TS) is is performed on a drug screen specimen to detect substitution, adulteration, or dilution. Substitution – Submission of a specimen that is not characteristic of human urine. Typically, this may be water or water with salt in it and
NON-DOT TESTING  Perhaps the donor drinks a lot of water, perhaps the donor is trying to cheat the test.  A dilute specimen, by definition, is a urine specimen that has a creatinine of less than 20 g/dl but greater than 2 g/dl and a specific gravity of 1.0200 or
If the donor were to claim that they had a methamphetamine positive because they used a Vicks inhaler, then the MRO would order a D/L isomer separation to determine if the drug present in the specimen is at least 80% L-methamphetamine.  If the specimen contains more than 20% D-methamphetamine,
Assays Abbreviations Cut-Off Levels (ng/mL) Amphetamine AMP 1000 Barbiturates BAR 300 Benzodiazepines BZO 300 Buprenorphine BUP 10 Cocaine COC 300 Cocaine COC150 150 Ecstasy MDMA 500 Marijuana THC 50 Methadone MTD 300 Methamphetamine MET 1000 Methamphetamine MET500 500 Opiates OPI 2000 Opiates OPI300 300 Oxycodone OXY 100 Phencyclidine PCP