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Laws may vary from jurisdiction to jurisdiction, so it’s crucial to be aware of federal, state, and local rules applicable to your location and where you’re hiring. It is also easier for a person to tamper with a urine sample than with a hair sample, which may give hair follicle tests an advantage over urine tests when a person takes the test in a laboratory setting. While most people may be familiar with urine screening drug tests, hair follicle drug tests are also used, although less widely.
What drugs are included in a standard hair drug test?
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. Specialty hair tests are also available to test for a variety of other drugs. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include Micromedex (updated 1 Apr 2024), Cerner Multum™ (updated 21 Apr 2024), ASHP (updated 10 Apr 2024) and others.

Does body hair hold drug residue longer than head hair?
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Middletown mom says lab left her with bald spot after family court testing nightmare.
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DISA’s professionals can assist you in building and implementing a comprehensive drug testing policy that’s industry-specific and customizable for your workplace. It’s been discovered that metabolites that are deposited in hair follicles have a much longer lifespan. Metabolites remain detectable in a hair sample for up to 90 days from when they were consumed, and it can be an even longer period for certain drugs. Even in trucking companies where DOT required the standard 5 panel urine test; an additional hair test is required by many trucking companies. Another myth is that shaving your head or body hair will lead to a negative result in a hair follicle drug test. Hair follicle tests can still be conducted with body hair or shorter hair samples.
Using Hair For Workplace Drug Testing
Hair drug tests can identify drug use up to 90 days prior to the test date. That’s because the chemicals from the drugs that end up in your bloodstream become part of the hair cells as your hair grows. Because of the rate of hair growth, drugs can’t be detected in the hair until five to seven days after use.
We advise you to consult your own counsel if you have legal questions related to your specific practices and compliance with applicable laws. People who shave their entire bodies may not be able to provide a usable sample of hair. It can only show whether a substance has been used within the past 90 days. Cold remedies, decongestants, and hay fever medicines can show up as amphetamines and poppy seeds may show up as opiates. There are no possession limits specified as long as the amount is consistent with the patient's needs. The use of recreational marijuana in the state of California is legal.
Hair Follicle Drug Testing FAQ
Hair drug testing, especially when combined with other testing methodologies, such as urinalysis, is a reliable and efficient method for detecting the presence of drugs in a person's system. Whether you're an employer aiming to maintain a drug-free workplace or a donor wanting to understand the testing process, it's essential to comprehend the key points about hair drug testing. A clear and concise drug testing policy between employers and donors can contribute to a more positive testing experience and a healthier, more productive workplace.

For more information on hair sample drug tests and how they can be incorporated into your company’s workplace practices, please contact us at National Drug Screening. We have a fulltime staff of experienced medical review officers always available to exam hair drug test results with quick notification back to you. Beyond the ethical implications of drug use in a professional setting, there are, of course, legal considerations. One challenge we see with hair drug testing is the training of hair drug specimen collectors. Many times specimens received at the labs are rejected for an insufficient quantity of specimen.
Does a Psychemedics hair test pull the hair out of the scalp to examine the follicle?
Because each hair follicle has a blood vessel, drugs can travel through the bloodstream into the hair follicle. When the drug is processed (or metabolized) by a person's body, it creates byproducts called metabolites. Accredited Drug Testing in California also provides customized drug testing for synthetic marijuana, Ketamine, spice, kratom, bath salts and various opioids , and others. Prescription drugs can be screened including Adderall, and Ritalin with levels reflecting usage. Court-ordered drug tests should contain detailed instructions specifying the type of test to be administered and the drugs that should be screened for. If the sample collection needs to be witnessed in order to prevent potential tampering or substitution, those specifications will be stated in the court order.
A person can usually access their test results by calling a toll-free number or going online and using the unique identification number that comes with the kit. The results of the test will be reported as positive, negative, or inconclusive. Visit PassYourTest.com to see a full list of the cleansing solutions offered so that you’re always set for testing success.
Studies indicate that hair collected at the head’s crown grows on an average of approximately 1.3 cm (or ½ inch) per month. This growth rate may vary among people; consequently, the same 3.9cm length of hair may represent slightly different time periods. Thousands of corporations use Psychemedics’ tests to screen applicants and perform random drug tests on their employees.
National Drug Screening, for example, offers a 10 panel test for up to 10 different drugs. Once a sample has been collected and tested at a SAMHSA certified laboratory, the lab data is sent to our staff of medical review officers (MRO) for review and verification of positive or negative results. A drug test is a technical analysis of a biological specimen, for example, urine, hair, blood, breath, sweat, and/or oral fluid/saliva to determine the presence or absence of specified parent drugs or their metabolites. BAC tests are typically administered via a breathalyzer while urinalysis is used for the vast majority of drug testing in sports and the workplace.
It's a biochemical test commonly used to detect antibodies and other proteins in the blood. However, the test may not be able to detect if someone uses drugs very infrequently or uses drugs shortly before the test. The person could have used a drug very recently, before it showed up in the hair.
However, testing technology has drastically improved throughout the years. Most home remedies no longer have the ability to produce desired results, if they ever did at all. In another scenario, you are a dedicated single father locked in a contentious custody battle for your child. Your ability to pass the hair follicle test will greatly influence your chances of retaining custody of your child. Psychemedics provides detailed instruction through a written training manual and video. Additional help is available through Client Service Managers dedicated to each client and from Psychemedics’ professional trainer.
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