If a drug test leads to a criminal conviction, the information is public record and may be easily found by an employer. In the same vein, if an employee takes a drug test to comply with a governmental organization, such results are also public records.
Common classes of drugs that may be detected by toxicology screens include:alcohol, including ethanol and methanol.amphetamines, such as Adderall.barbiturates.benzodiazepines.methadone.cocaine.opiates, including codeine, oxycodone, and heroin.phencyclidine (PCP)More items...
4 Ways to Dispute a False Positive Drug Test While On ProbationAsk for a repeat test as soon as possible. ... Reveal the substances you have been taking that might have caused inaccurate result. ... Request a more advanced method of testing for verification. ... Get assistance from your union or a private attorney.
Furthermore, employees may have excuses for failing a drug test: they ate too many poppy-seed bagels, accidently picked up the wrong brownie at a party or were stuck in a car with someone who was smoking weed. Perhaps they'll argue that the test is wrong. Employers need to consider how they'll handle these situations.
Refusing to take a drug test is much like refusing to take a breathalyzer; it's your right to say no, but just taking the test is usually the better option. The question you pose shouldn't be whether you can refuse a drug test, but instead whether refusal is a smart decision. Drug tests are ordered for many reasons.
If the test results in a positive reading, meaning there is drug residue in the body, the results are forwarded to a medical review officer, who reviews the results and looks for any possible valid medical explanation for the results.
False-positive results for amphetamine and methamphetamine were the most commonly reported. False-positive results for methadone, opioids, phencyclidine, barbiturates, cannabinoids, and benzodiazepines were also reported in patients taking commonly used medications.
Urine test: This is the most common drug test used. Infrequent users (less than 2 times/week) can test positive for 1-3 days. A moderate user (several times per week) can test positive for 7–21 days after last use. A heavy user can test positive for a month or longer after last use.