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This analysis can confirm the presence of drugs and also identify specific substances. Hair follicle drug tests are performed on a sample of hair, usually collected from a person’s scalp. During hair follicle drug testing, scissors are used to remove a small sample of hair.
Hair Follicle Drug Test vs. Urine Drug Test
Deciding whether to conduct drug testing for candidates and employees? Sara’s experience stems from 20+ years working as a B2C and B2B PR and communications professional. By understanding an individual’s past substance use, employers can gain a fuller picture of their potential hires or even current employee drug use.
Misconception of hair drug tests
This variability introduces a level of complexity into hair drug testing, underscoring the importance of standardized testing procedures to ensure accuracy and reliability. Because hair grows at a rate of 0.5 inches per month, a half inch of hair can be screened to detect approximately 30 days of drug use, including the drug type and quantity. A 1.5-inch sample of 200 strands of hair is often all that is needed to detect a 90-day window of drug use.
Taking a Hair Follicle Drug Test
Hair follicle testing was first discovered in 1979 and came into practice as a commercial means to detect drug abuse in 1986. A 10-panel drug test screens for the presence of prescription and illicit drugs to help employers maintain a safe, productive workplace. A sample of hair can be collected at home, at a laboratory, or in a medical setting. Many parents consider using drug testing as a tool to prevent or confirm the use or misuse of drugs in children and adolescents. The use of drug tests is impacted by federal, state, and local laws. Professional organizations advocate for the ethical use of drug testing, often emphasizing the importance of patient education and consent before conducting a drug test.
Are These Drug Tests Accurate?
A hair sample drug test is, in some ways even easier to conduct than a standard urine sample test. About 100 milligrams of hair, which is about 100 – 120 strands, at 4 cm or 1.5” in length are needed in order to get strong results in hair analysis. The hair is cut as close to the scalp as possible, so only the strands of hair above the scalp are tested and not the actual hair follicle. At-home collection kits allow users to collect hair samples and mail them to a laboratory for analysis.
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A urine drug test is used to test for drug use over the three days preceding the test. A hair drug test is the only drug test that can detect repeated drug use up to 90 days prior to the test. The second, called GC/MS, is a widely accepted method for confirming a positive result.
FAQs About Drug Testing in Family Law Cases
Although very reliable and used by firms across multiple industries, ideally employers should use both urine and hair follicle testing, since hair testing doesn’t catch recent drug use. Hair follicle drugs of abuse testing offers up to a 90-day window for detection of drug use and a convenient collection process that can be performed almost anywhere. In contrast, urine and blood tests provide a look into an individual’s most recent drug use.
Hair Follicle Drug Testing Laws To Know
We have a fulltime staff of experienced medical review officers always available to exam hair drug test results with quick notification back to you. With the urine drug test, the applicant or employee might refrain from drug use for five or more days and avoid the detection of illegal drugs in the urine. So in reality, pre-employment drug testing using hair tests would be more effective in preventing the hiring of a substance abuser. Often called a hair follicle test, this is not the correct terminology.
The cost of a hair follicle drug test can vary, depending on the kind of hair follicle test ordered (the number of drugs in a screen can differ), where you go for testing, and who ordered the test. A negative result means no drugs or metabolites were found in the sample. There is only one standard for this test, which is 1.5 inches of hair, cut from the root.
Hair can be collected from several body locations (excluding pubic areas) and combined to obtain the required amount of hair. For body hair, collect at least 100mg of hair and more if the test is for EtG hair testing and if testing for 12 or more drugs. There are several types of hair drug test panels available, depending on the substances you want to test for.
Alcohol in particular has a very short life, and can lose effectiveness for detection in as little as 90 minutes. Once the hair sample is collected, it is sent to one of our many certified labs for professional analysis, and review from a certified Medical Review Officer (MRO). The 12-panel hair test is the most comprehensive drug test we have available. It includes Marijuana, Cocaine, PCP, Amphetamines, Opiates, Barbiturates, Benzodiazepines, Propoxyphene, Methadone, Oxycodone, Tramadol and Meperidine.
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