Is testing very accurate? Will the results come back positive if one is not taking drugs, but has been in contact with drug users?
The PDT-90 ® Personal Drug Testing Service uses one of the most effective tests on the market, the same patented technology relied upon by corporations nationwide. Hair samples are cleansed to remove any external contaminants. As with any drug testing, cutoff levels are utilized to help ensure that inadvertent or unintentional contact with drugs will not create a false positive result. The testing technology is designed to show the presence of drug levels which would only be consistent with the ingestion of drugs. All samples are tested using a radioimmunoassay screen. Before any positive test result is reported, the sample is subjected to a second, confirmatory test using gas chromatography/mass spectrometry (GC/MS), considered the gold standard for forensic drug testing.
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