do you test positive for thc when taing cbd oil


The answer to that question needs some background, but first, as with any product obtainable without a physician’s prescription, using CBD products could have unanticipated side effects. Pilots should always need to keep in mind the IMSAFE checklist to determine if they are ready to fly ( Illness, Medications, Stress, Alcohol or Drugs, Fatigue, Emotion/Eating ). Others in the industry could use that same checklist before going to work, especially in the post-COVID world. Pilots specifically need to adhere to the admonition in §61.53 [1] not to act as a required flight crewmember if they have a condition or are taking medications that would make them ineligible for the medical certificate they hold. But, now back to CBD.

What is CBD? Cannabidiol is one of dozens of chemicals found in the Cannabis sativa plant, known as cannabinoids. Tetrahydrocannabinol or THC, the psychoactive ingredient of marijuana, is another cannabinoid. Cannabidiol is also found in the hemp plant and that causes some of the marketing confusion around CBD products. Cannabidiol oil, extracted from either the marijuana plant or the hemp plant, serves as the basis for many CBD products. Depending on its source cannabidiol oil can contain varying amounts of THC.

Until recently, the Federal Government classified all cannabinoids as controlled substances, with all the restrictions and prohibitions attendant to that classification. In December of 2018, the Controlled Substances Act was amended by the 2018 Farm Bill to reclassify “hemp” as no longer prohibited. The term hemp or hemp oil was defined as any cannabinoid that contains less than 0.3% by weight of THC. So, oils and products derived from the extracts of hemp seeds, which contain no THC, can be marketed as CBD. But, so too can products derived from oils extracted from a marijuana plant so long as the resulting oil does not contain more than 0.3% THC. Hence the marketing confusion.

So where does that leave pilots and others who work in the aviation industry? The two questions with which arise when using CBD products are 1) can a CBD product be used for medicinal purposes, and 2) whether the product used contains some amount of THC even though it is marketed as CBD. The first question applies to all pilots, either those who apply for an airman medical certificate, or those who use BasicMed. As every pilot knows one of the questions on an application for a medical certificate asks what medications the pilot currently uses. The question covers both prescription and non-prescription medications. The FAA Medical Office uses that answer as a check on what medical conditions the pilot might have and how those conditions are being treated. Even though the FAA does not define the term “medication,” the Medical Office would certainly view the use of CBD to treat the symptoms of a medical condition, such as back pain, to fall within the scope of that question. Listing CBD on the application, however, gives the FAA cause to inquire about what condition the pilot is using CBD to treat. Some conditions for which CBD products are touted as being beneficial may be disqualifying conditions under Part 67 [2] , such as depression. And, currently, the FAA does not view the use of CBD products as an accepted treatment for any condition. So, a pilot needs to use caution not to use CBD to self-medicate and then not report that use on an application for medical certificate. While listing CBD will cause the FAA to view the application with great scrutiny and possibly deny the application, not listing it could lead to a revocation of the pilot’s existing medical certificate and all pilot certificates for making a false statement.

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What about Basic Med? The same is also true for those who use the Comprehensive Medical Examination Checklist or CMEC to have their primary care physician certify their fitness to fly. The same question about medications currently taken that appears on the application for medical certificate appears on the CMEC. Not indicating the use of CBD on the CMEC could also lead to an allegation of a false statement but disclosing the use of CBD may lead to the FAA Medical Office’s close scrutiny of the pilot’s medical fitness for flight.

The second question applies to pilots, mechanics, and anyone else who must take DOT required drug tests because they perform safety sensitive functions for an air carrier, and anyone else in the industry who undergoes employer mandated drug tests of a similar nature. One of the chemicals the DOT authorized drug tests look for in pilots is THC, the psychoactive chemical in marijuana that results in a euphoric feeling. Obviously, no one who performs safety sensitive functions should do so while under the influence of marijuana. But there is currently no direct test for THC levels in a person, like a blood test for alcohol. Therefore, the DOT test does not report the level of THC, but rather the level of cannabinoid metabolites, the chemicals in the blood left after the body has metabolized THC. As for CBD products, the body metabolizes CBD, which is also a cannabinoid, in the same way so it leaves the same metabolites. Therefore, persons using CBD products with no THC will have the same chemical markers in their blood as persons using marijuana. In addition, CBD products may now legitimately contain up to 0.3% THC by weight. While the DOT drug test allows for some THC metabolites to be present to account for accidental or inadvertent use, using CBD products, whether they contain THC or not, could result in a positive DOT drug test. Every DOT test result is reviewed by a Medical Review Officer (MRO). Even if the MRO accepts the explanation that the positive test was the result of using CBD products and not using marijuana, the MRO may not change that positive result to a negative. DOT rules limit MRO’s authority to change positive results to negative results based on the pilot’s explanation to only authorized uses of the substance causing the positive result. As I mentioned, DOT and the FAA do not view the use of CBD to treat a medical condition as an authorized use of CBD products. And the MRO will report that positive result to the FAA’s Medical Office leading to the same questions a person who holds a FAA medical certificate would face if that person reported CBD use on the application for a medical certificate. As for others performing safety sensitive functions, the positive drug test will result in a requirement for a DOT approved rehabilitation and a confirmed negative return to duty test before that person can go back to work.

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To summarize, pilots face serious risk to their careers by using CBD products and not reporting that use on their applications for an airmen medical certificate, but also face close FAA scrutiny when reporting that use. In addition, for anyone performing safety sensitive functions for an air carrier or commercial operator the use of CBD products could result in a positive DOT drug test, which also could then result in adverse certificate action, including revocation, or adverse employment action. The best course of action is to avoid using CBD products if employed in the aviation industry, the two do not mix.

The opinions expressed in this article are those of the author.

CBD and positive drug tests

Marijuana is legal in California, but that doesn’t mean that it’s accepted by employers. Some workers use CBD oils as a way to get the same benefits without the high, but that could backfire in a drug test.

CBD is the acronym for cannabadiol, a compound found in cannabis, and has gained popularity over the last few years for its therapeutic properties. Advocates claim to see positive changes when dealing with muscle and joint pain, anxiety, seizures and a number of other issues. Although almost all CBD products claim to have under 0.03% THC, which is classified as hemp, the products remain unregulated. This leaves reported THC levels unreliable.

The dosing of CBD oil brands is not standardized, with some recommending a much higher dose than others. This can be problematic for employees who are subject to drug testing in the workplace. Those who use the suggested serving size may test positive for THC even if taking the product as suggested on the label.

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This is also the case with vaping CBD oil. If the vape’s CBD oil contains THC, then smoking a CBD vape pen can result in a positive test for THC. Since doses aren’t standardized or FDA-regulated, then the amount of THC actually in the product can vary from what the label says.

Common reasons for a positive drug test

1. Using a CBD product that contains THC. This is the most common reason for a failed drug test when using CBD. This could be because a person buys a low-quality product that does contain a small amount of THC. Most manufacturers will claim their products do not contain THC, but this is not always accurate.

2. Cross-contamination of THC. Very small amounts of THC present in the material that CBD is extracted from can get into the CBD oil in high enough amounts to result in a positive test. This can happen when CBD oil is purchased from cannabis dispensaries.

3. Mislabeling of products. CBD oil extracted from the hemp plant is not supposed to have more than .03% of THC. But it is not uncommon for sellers to mislabel their products as THC-free hemp when in reality it’s a low-quality oil extracted from marijuana, which contains THC. The reason for the mislabeling of products is that CBD products are not strictly regulated by the FDA.

Things to Consider

If you take CBD oil, there are measures you can take to try to prevent failing a drug test.

Do thorough research to ensure the product you are using is pure and that the company is legitimate.

Ensure that the CBD oil is an isolate product extracted from a viable industrial hemp supply, and is not a low-quality tincture.

Ask questions about product processing techniques and the possibility of cross-contamination.

To summarize, chances of getting a positive result for THC on a drug test from CBD oil should be extremely low from pure CBD oil containing less than .03% THC. But because CBD oil is not well regulated, there is no guarantee that a product contains pure CBD oil, or even that its concentration is at a safe and effective level.

It is wise to use caution and do research when purchasing CBD oil, especially if you will be subject to drug testing.