The Different Types of Drug Test

The need for drug testing in the workplace is already being recognised by a growing number of employers. If you’re an employer, you need to be aware that there a number of drug testing methods available to you. To know your options, here is some information about the different types of drug test.

Urine drug testing

Of all the available drug testing methods out there, the most common is urine drug testing. It is logical for urine drug testing to be common, because metabolites—the structures produced by the metabolism of all substances ingested by the body—use urine as its main excretory route. Analytical methods used to detect traces of any drug in the urine include immunoassays, thin layer chromatography, gas spectrometry and mass spectrometry.

Saliva Testing

Urine drug testing may be the most common form of drug testing, but saliva testing is becoming more popular simply because it is less invasive. However, it seems that saliva drug tests should only be used to detect very recent drug use to ensure accurate results. One study, for instance, reports that saliva testing can only detect cannabinoids when the subjects have smoked cannabis only 4-10 hours beforehand.

Hair Testing

The idea of hair drug testing is based on the premise that drug metabolites enter the blood vessels of the scalp, and the hair will filter them and keep them as a permanent record of a person’s drug use. Many people, however, object to hair testing because it does not measure current drug use. A person could have last used, say, cannabis a few months before, and still be found positive today because residues of the substance will remain in the hair for months afterwards, and no amount of shampooing can take them away. The fact that much of today’s workplace drug testing is dependent on whether an employee is impaired while on duty makes hair drug testing quite irrelevant. The considerable cost and the lengthy processing of the hair samples are also reasons why few employers use them for workplace drug testing.

Blood Testing

The most expensive and invasive of all drug testing methods also happens to be the most accurate. It actually detects right at the time of testing the presence of the substance and its metabolites in the blood. The actual amount of drugs in the blood at the time of the test can also be measured by a blood drug test. However, its cost and invasiveness makes blood drug testing used less frequently.

Perspiration Testing

Perspiration drug testing is perhaps one of the newer drug testing methods available today. It works through a sweat patch affixed to the skin for a period of 14 days. The patch is worn to detect the presence of drugs that a person excretes through perspiration. However, this method is more commonly used to monitor people on probation or those involved in child custody cases.

These are the workplace drug testing options available to employers these days. If you’re planning on implementing employee drug testing, be sure to study your options so you can pick which drug testing method perfectly serves your purpose.

Review Your Drug and Alcohol Company Policy

As an employer, your drug and alcohol workplace policy must indicate clearly the reasons for subjecting an employee to a drug test. For instance, the improvement of productivity, the safety of the operations, and maintaining good health.

You have to make sure that your policy also specifies the consequences a worker might face if they were to refuse testing.

Every employee should have signed the workplace drug and alcohol policy, understanding and agreeing to a drug test for justifiable reasons.

In Australia, it is perfectly legal to conduct workplace drug testing at work. However, crucial to effectively enforcing it is establishing a workplace drug and alcohol policy beforehand.

Why? Because it is important that your employees are aware of the following:

  • Reason for drug tests
  • Who will do the testing
  • Drug testing schedules
  • How often the drug test will be carried out
  • Drug test types
  • Accepted blood alcohol limits
  • What to do in the event an employee tests positive for drugs or exceeds accepted limit for alcohol
  • Disciplinary measures for employees who will refuse to be tested

This is legally the only way to go about drug testing. The methods, frequency and consequences must be clearly stated. Every employee should be fully aware of these guidelines. Meanwhile, as an employer, you have to follow all of the things you’ve outlined in your drug and alcohol policy.

Similarly, if you update your processes, you must reflect the changes in your policy, inform everyone affected and have proof you have done so.

What If I Do Not Have A Legally Binding Workplace Drug And Alcohol Policy?

If you do not have a sound drug testing framework for your workplace, you simply cannot enforce any kind of drug testing. Even if an employee tested positive, you would likely not be able to apply any kind of consequences.

One of the best ways to do this is by teaming up with an experienced drug and alcohol testing service. Having a capable and reliable drug testing partner can help protect your company from liabilities related to workplace substance abuse. It can also make your workers feel more comfortable and trusting of your policy.

Drug and Alcohol Testing at Work

Safework Health will help you safeguard your business and employees from drug and alcohol-related incidents at work.

We will help create a comprehensive drug and alcohol policy for your company that includes staff training, drug testing and drug awareness programs. Moreover, our fast turnaround times for drug testing results mean minimal downtime on your operations.

Whatever your circumstances, feel free to contact us for a confidential discussion.

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