More Frequently-Asked Drug Testing Questions How do they do drug testing?
Drugs eventually show up in your body fluids and hair in one form or another. So, you’ll be asked to “donate” a sample (specimen) of one of the two, which is submitted to a drug testing lab for chemical analysis. * Because your hair grows, certain drugs can be detected for longer periods historically, but typically only for heavy-duty and continuous use. Hair analysis is the least invasive, but might not reveal recent use. * Blood analysis is the most accurate, but pricey, definitely invasive, and not allowed in the Federal drug testing program at this writing. * Saliva and sweat analysis are accurate, but not yet popular methods at this writing. * Urine analysis is less invasive than blood analysis, typically the least expensive, and can detect infrequent or recent single use. For these reasons, urine analysis is the most common drug test, so a urine specimen is likely what you’ll submit. It’s also what we’ll stick with when referring to your specimen. If the specimen-collection facil
