This table should be used as a general guideline only. Many variables may affect the amount of time that a drug remains detectable in the urine or other biological samples, as noted by LabCorp and in the Drugs of Abuse Reference Guide. How long does alcohol stay in urine?
Basic home test kits and the first step in most professional lab tests involve a simple qualitative analysis -- this means the test will determine the presence of a substance above a certain level, but will not determine the exact amount present in the sample.
If a qualitative test indicates the presence of a substance, a professional lab test may then perform quantitative analysis to determine precise levels. Different types of drug tests have different tolerances for accuracy.
In addition, taking certain prescription or over-the-counter medications could affect the accuracy of some drug tests.
How should I prepare for a drug test? For a common urinalysis drug test, there is little someone needs to do to prepare. Since these tests will require a small amount of urine, you may want to drink an extra glass of water about an hour before providing the sample.
Test providers should be informed of any medications you are taking, as some of these might change test results. How much does drug testing usually cost?
In the case of tests administered for employment, professional sports or parole programs, testing is usually done at the expense of the person or group ordering the tests. Are home drug-test kits safe and accurate? Home drug-test kits are available from most drug stores and can screen for either a panel of substances or only one specific substance.
Home test kits are less advanced than professional lab equipment, so they will indicate the presence of a substance but will not indicate the amount present. Some tests will give a quick, broad preliminary result at home, but can be sent to a lab by mail for more rigorous testing.
How do I get the results of a drug test? In cases when drug test results are not available within a few minutes, results are often mailed to the employer ordering the test. What are my rights related to drug testing?
Laws governing the rights and responsibilities involved in the drug testing process vary depending on the state and the exact circumstance. Regarding workplace drug tests, some states prohibit testing, except when an employer has reasonable suspicion or probable cause to do so.
In general, workplace drug tests are presumed to be legal unless there is a specific restriction at the state or federal level.
Usually, employees have a right to advance notice of testing, and their results remain confidential. Tests for illicit drug use or alcohol use are often a condition of probation and parole programs. The laws surrounding these tests also vary according to the state and circumstances, but generally, parolees are required to attend drug screen sessions on a regular schedule and must pass a certain number of tests as a condition of their parole or probation plan.
Who performs drug-testing services?Drug Testing Wenatchee WA Accredited Drug Testing Inc, is the nation’s leading provider of drug, alcohol, occupational health and DNA testing with testing centers in Wenatchee WA and throughout the local area.
Testing centers are within minutes of your home or office and same day service is available. rows · Testing Procedures The method by which we go about ensuring our products work is both . The Division of Workplace Programs oversees HHS-certified laboratories that perform forensic drug testing for federal agencies and federally regulated industries.
Workplace drug-testing programs are designed to detect the presence of alcohol, illicit drugs, or certain prescription drugs. Drug testing is a prevention and deterrent method that is often part of a comprehensive drug-free workplace program. Testing Procedures The method by which we go about ensuring our products work is both scientific and verified factual knowledge.
Our testing procedures involve countless hours of research and continued education. Courtneyk / iStock / Getty Images Plus When do employers drug test? Employers may drug test as part of the pre-employment hiring process and also may test employees for drugs and alcohol use under certain circumstances..
Hiring can be contingent upon passing pre-employment drug and alcohol tests. Drug testing laws vary by state.