Pre-Employment Drug Screening


Drug tests are performed on biological specimens, such as hair, urine, blood, breath, sweat, saliva, or oral fluid. They are designed to detect the presence of specified parent drugs and metabolites of those drugs. Drug tests are used for many different purposes, from pre-employment screening to criminal investigations. They are a safe and legal way of determining if someone is taking drugs. They are also an excellent way to find out if someone has a history of drug use.


If you want to keep your workplace drug-free, you need to conduct a pre-employment drug screen for your employees. It will help you keep a safe and productive work environment by identifying potential problems before they become a problem. You can find companies that perform pre-employment drug tests on the Internet. Alternatively, you can ask your current company for a referral. When choosing a drug testing company, make sure that they have a collection facility close to your company location. You can also find samples of their offers online.

A positive drug test will give employers a reason to question your application. If you have a history of taking prescription drugs, for example, your employer may want to know if you are taking painkillers or other prescribed medications. If so, you may be asked to undergo a more thorough drug test to ensure the results are accurate.


Drug screening is a requirement for a number of jobs, including those in the healthcare field. It ensures that employees are drug free before starting a new job. The test may include urine, blood, saliva, or sweat samples. It also determines if an employee has recently used illegal drugs.

Pre-employment drug screening is often required by private employers. Employers can use the results of drug screening to make decisions about hiring new employees. They can also choose to randomly test employees to determine their suitability. Drug testing may involve a blood test that measures the presence of certain drugs in an applicant’s blood. Typical tests may include amphetamines, barbiturates, phencyclidine, cocaine, opiates, nicotine, and alcohol.

Criminal investigations

Drug testing is a common part of the criminal justice system. The purpose of drug tests is to catch people using illegal drugs. Drugs can be found on clothing, other items, or liquids that have soaked into fabrics. Crime scenes are often a good place to collect evidence. Evidence can also come from biological samples, including blood or urine.

Police departments have multiple methods of testing for drugs. Some agencies use presumptive colorimetric test kits or handheld instruments. Although these are only presumptive, they provide information that will help them determine whether the substance is illegal. Homeland security personnel and National Park Service rangers also use these tests. However, the results of these tests are not considered official until they are submitted to a forensic laboratory for confirmation.


Hair drug testing is one of the best options for pre-employment drug screening. The method can detect a drug use pattern that can last up to 90 days. In fact, a hair test can identify as many as five times more drug users than a urine test. For that reason, it is an excellent option for pre-employment drug screening. The process is non-invasive and can be provided by Quest Diagnostics and other laboratory providers.

A hair drug test requires a sample of approximately 90 strands of hair. The hair must be one and a half to two inches in length. If the hair is shorter than that, it may be subject to a different test. Hair may also be tested from other areas, such as leg, underarm, or facial hair.


A urine drug screen can be an effective method for assessing patients with substance use problems. It is a fast, low-cost, and simple test. However, the results are not always definitive. The results of a urine drug screen should be discussed with the patient. For that reason, it is important for clinicians to choose the best urine drug screen for the patient.

A urine drug screen can also be used as a screening tool to monitor treatment for substance abuse. A standard urine drug test can analyze the presence of illicit drugs and metabolites in a person’s urine. The sample should be collected in a simple, 30-mL universal container and tightly sealed. It should be labelled with the client’s name, date of birth, and specimen collection date.


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