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Should you worry about CBD oil showing up on a drug test?

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  1. Should you worry about CBD oil showing up on a drug test?
  2. Is there such a thing as a CBD oil drug test?

Cannabidiol (CBD) has recently surged into the therapeutic spotlight for its perceived anti-inflammatory, anti-anxiety, pain-relieving, and seizure-suppressing properties. It can be found in health and wellness aisles across the world — perhaps even at your local Walgreens or CVS — and comes in many forms, some of which include CBD oil, tinctures, edibles, elixirs, and more.

CBD is a non-intoxicating compound found in cannabis, which some say provides the benefit of relaxation without the high that THC provides.

Although hemp-derived CBD products are available in states where recreational cannabis isn’t legal, some people might worry whether their use of CBD oil will show up on a drug test. Even in states where it is legal to buy THC-heavy cannabis from a retail store, some employers still screen employees for cannabis use. It’s a valid concern considering that even CBD products derived from hemp are legally permitted to contain traces of THC, 0.3% or less to be exact, perhaps leaving some consumers to wonder whether there’s a small amount of THC in their CBD oil — and whether that will show up on a drug test.

“I think that people who are afraid of testing positive should use isolate that is third-party tested to have no THC or extremely minute trace amounts that result in no THC. That’s the simple and safest thing,” said Dr. Joseph J. Morgan, Professor of Cannabis Education at the University of the Sciences in Philadelphia and medical adviser.

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CBD is a non-intoxicating compound found in cannabis, which provides the benefit of relaxation without experiencing the high that THC provides. Photo by: Gina Coleman/Weedmaps

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While there are certain CBD products, such as distillate and crystalline, that contain zero THC, the fears of inexperienced consumers may still persist. Like most things in the constantly evolving cannabis space, there are a number of factors to consider.

Should you worry about CBD oil showing up on a drug test?

In most cases, it’s highly unlikely that CBD oil will show up on a drug test. Most employment drug tests specifically look for the presence of THC or THC metabolites. Most employers abide by the guidelines set forth by the Substance Abuse and Mental Health Services (SAMHSA), which includes detection for THC but not CBD.

But what if your CBD oil contains small traces of THC? Many top CBD manufacturers have products with no presence of THC. Although hemp-derived CBD products are legally allowed to contain a maximum of 0.3% THC, some prospective consumers may still be reluctant to try CBD that contains even a small amount of THC. Thankfully, there are ways to create hemp-derived CBD products without any hint of the intoxicating cannabis compound.

For instance, producers can isolate CBD compounds after the oil is extracted from the stalks and seeds from hemp plants. This process leads to pure CBD, effectively eliminating any THC and other plant-based constituents from the end product. Once isolated, the CBD can be mixed with liquid oils that contain fatty acids to improve absorption.

But how can you tell how much THC, if any, might reside inside your CBD oil? Can you really trust everything the label on the side of the bottle? The safest bet is to look for well-known CBD products that are independently tested.

“Buy from reputable forms that are third-party tested that have batch numbers, lot numbers, and retained batch samples. If they claim that either that their plants are genetically engineered for no THC or they use methods that purge THC, to make sure that that’s third-party validated,” Morgan said.

While it’s possible that small amounts of THC that exist within a CBD product could accumulate and show up in a drug test, it’s still highly unlikely. Photo by: Gina Coleman/Weedmaps

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There are also different types of drug tests that can be used, all of which present different detection thresholds. For instance, a hair test is made to detect habitual substance use, so it will probably not raise any red flags even if you are consuming CBD oil that has low levels of THC.

Urine and oral drug screenings have a lower threshold for detection, so there is slightly more risk with these tests, according to a December 2018 article published in Vice. While it’s possible that the small amounts of THC that exist within a CBD product could accumulate and show up in a drug test, it’s still highly unlikely.

Under the SAMHSA framework, the cutoff limit for the presence of THC is 50 nanograms per milliliter. Following these guidelines, if an extremely high dose of 2,000 milligrams of CBD oil that contains 0.3% THC was consumed, there’s a slim chance of receiving a “false positive” result on a urine screening.

Is there such a thing as a CBD oil drug test?

While it may be uncommon for anyone to screen for the presence of CBD, does a CBD oil drug test even exist? Technically, since CBD is a chemical that your body metabolizes, a specific test can be developed to detect it. But the average drug test will not identify any usage of CBD oil.

To obtain a CBD oil drug test, an employer or entity would have to pay a testing company an additional charge to change their testing regimen to include CBD. When you consider that this non-intoxicating compound won’t get you high or impair your ability at work, there’s really no need for a CBD oil drug test.

If you’re concerned that using CBD-infused products will cause you to fail a drug test, there are certain precautions you can take to ensure that no THC enters your system. Look for producers who create high-quality CBD products that contain zero THC, such as distillate or crystalline products.

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Does CBD Oil Show Up on a Drug Test?

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Close up of CBD oil in test tubes at laboratory.

CBD has taken off as a natural remedy for a variety of ailments. CBD products like CBD oil can be made from either the hemp plant or the cannabis plant, which are closely related varieties of the same cannabis species, Cannabis sativa. CBD products contain a cannabinoid—a chemical—called cannabidiol, which does not make you high. The substance in marijuana that causes a buzz is a different cannabinoid, called THC, or tetrahydrocannabinol.

CBD products can still be problematic, however, when it comes to drug testing. Though drug tests screen for THC, not CBD, many CBD products contain a trace amount of THC which will be detected in your bloodstream during a drug test.

Factors in CBD Oil Showing on Drug Screen

Topical products that claim to contain CBD—like shampoos, cosmetics or creams—should not cause any reaction during a drug test because they do not enter the bloodstream. In the case of CBD oils, gummies, teas or transdermal patches, the situation is more complicated. In a test of 84 CBD products obtained online, 18 contained THC.

THC can be detected in a urine test for up to 15 days, depending on how often and how much you use. It leaves the bloodstream in about five hours, but substances your body makes from THC (THC metabolites) can show up for as long as 7 days. CBD tends to stay in the bloodstream from 2 to 5 days, depending on dosage and frequency. If you have been using CBD for a while, it can stay in your body for up to 30 days or more.

Taking CBD If You Undergo Drug Tests

If you are concerned that THC in your CBD oil or other CBD product may show up on a drug test, you may be able to reduce the chance of that occurring, though there is no guarantee. Some of the factors that may increase the likelihood of a failed drug test are:

  • Cross contamination with THC: This can occur if manufacturers make products with THC as well as CBD. CBD oil can also be contaminated by THC in a shop or at home.
  • Source: ‘Full spectrum CBD’ means that the product is derived from the whole plant and is more likely to contain THC. ‘CBD isolate’ means that the product is derived from hemp only and should not contain any other cannabidiols, such as THC. Look for products that have been tested by an independent lab. You may have to contact the company to find out about test results.
  • Dosage and Duration: Remember that the more CBD you take and the more often you take it, the longer you may have traces of THC in your system. It can take hours, days, or weeks for it to leave your body.

The legality of CBD products can be confusing. CBD products made from certain cannabis plant varieties are legal only in states where marijuana is legal, due to the potential THC content. CBD products made from hemp variety plants are legal throughout the United States as long as they contain less than 0.3% of THC and do not make any medical claims. (A hemp plant is defined as Cannabis sativa that contains less than 0.3% THC.)

CBD will not show up in a drug test because drug tests are not screening for it. CBD products may well contain THC, however, so you can fail a drug test after taking CBD products. If you take CBD oil, you should plan accordingly if your work or activities require you to undergo drug testing.

Does CBD oil show up on a drug test? If you use CBD oil as a natural remedy for a variety of conditions, learn more about how the body processes CBD oil, whether CBD oil is legal, if CBD oil can cause you to fail a drug test, and the difference between CBD oil vs. marijuana.