![]() Phencyclidine (PCP) - 14 to 30 days (longer for chronic users)īarbiturates - 1 days to 3 weeks (short or long acting)īenzodiazepines - 3 days to 6 weeks (longer for chronic users)Īccuracy in urinalysis demands both the screen and the test for those with positive results.Some employers, in order to cut costs, will use only drug screens. Methamphetamines - 2 to 10 days (time range depends on frequency of use) The screen (EMIT) comes first and is usually followed by a test or confirmation if necessary. There is a huge difference between a drug screen and a drug test. There are two types of urinalysis-the drug screen and the drug test or confirmation. Employers use collection facilities for convenience and to allow the hiring team to focus only on the results. Urine testsĪ urine test, or urinalysis, is the most common test for employment purposes. Drug tests are not actually looking for the drugs in a person’s system, but for the metabolites. Drugs go in the body in the psychedelic form and come out as a metabolite (see p. ![]() Alcohol goes in as beer, gets oxidized by the liver, and comes out as water. Once the body takes in a substance, the end product looks much different, once it passes through. The labs are not always looking for actual drugs in these samples mostly they are looking for drug metabolites. The drug testing most commonly performed for employment purposes can be broken down into several categories: blood tests, hair tests, oral tests, urine tests and breath analysis.
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