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Does CBD Show Up on a Drug Test?

Does CBD Show Up on a Drug Test?

Have you jumped on the CBD bandwagon yet? Taking CBD can have a powerful positive influence on your emotional, mental, and physical wellbeing. But before you start taking CBD you probably want to know: Does CBD Show Up on a Drug Test?

Being drug-free is important if you work in a field where you have to take regular drug tests.  You might also need to take a drug test when applying for a job or a place to live. So, here’s everything you need to know about taking a drug test after using CBD oils.

Drug Test Procedures

When you’re getting a drug test, you are getting tested for specific prescription and recreational drugs. One of those drugs is marijuana, which is derived from cannabis just like CBD. To see if you’ve been using marijuana, the drug test specifically checks for THC, usually inside your urine. THC is just one of many compounds in cannabis. It’s the compound with psychoactive properties that gets you high.

The Type of CBD Matters

To know if you’ll get a positive drug test result, it’s important to know what type of CBD you’re using. If you’re taking CBD isolate, your CBD product just contains CBD and nothing else. All of the THC and the other cannabinoids have been removed. Thus, THC cannot be detected in your drug test. If you’re taking broad-spectrum CBD, you are taking CBD with all the compounds except THC. You will not have any issues passing a drug test if you are taking CBD isolate or broad-spectrum CBD.

If you’re taking full-spectrum CBD, it’s a little bit different: you’re actually getting a very miniscule amount of THC. Full-spectrum CBD is regulated in the United States to ensure it contains less than 0.3% THC. But thankfully, most drug tests only come back positive if your THC levels are fairly high, usually 50 nanograms per milliliter. A nanogram is one-billionth of a gram. Usually, the CBD you’re taking will contain very tiny amounts of THC so should have no problem passing a standard drug test.

Dosage Matters!

Although this is a good rule of thumb, there are some caveats to it you should be aware of. For instance, the more CBD tincture you take, the more likely you are to reach that 50 nanograms per milliliter amount of THC. If you’re taking 2,000 milligrams or more of CBD each day, you may have a high level of THC and end up getting a positive result. Technically, this would be a false positive because you are not actually smoking marijuana. If your employer asks for a second drug test, they should be able to get more accurate, detailed results.

Keep in mind that although the stigma behind CBD is diminishing and laws in the United States have loosened up, different employers will have different standards. Some might be okay with you taking CBD even if it contains a little THC, while others will have a zero-tolerance policy.

How Do False Positives Happen?

Sometimes people get a false positive. Here are some of the ways that can occur.


There’s a chance you’ll get positive drug test results if you’ve taken something that’s interacting with the CBD. For example, if you’re smoking marijuana around the same time you’re taking CBD, you’ll end up having a higher level of THC. This is true even if the marijuana alone does not contain the equivalent of 50 nanograms of THC per milliliter. So, if you want to use marijuana when you have a drug test coming up, be careful. There is a risk you’ll end up with a positive THC result.


Sometimes there’s a risk for a false positive that is completely out of your control. For example, if you are getting your CBD from a company that has poor manufacturing procedures in place, you may end up with a product that has been contaminated with THC due to it being manufactured on equipment that touches products containing high levels of THC. Get your CBD from a transparent, reputable company! That being said, failing a drug test due to cross-contamination is an unlikely scenario.

Secondhand THC Exposure

There is a small risk that you could get a false positive for THC if you have been heavily exposed to THC secondhand. This could happen if you live with someone who smokes marijuana or are frequently around someone who smokes marijuana. If that person is smoking extremely potent levels of marijuana, your chances of getting a false positive go up.

Dishonest Labeling

Although companies in the United States are not legally allowed to sell CBD that contains more than 0.3% THC, some sell it at higher levels anyway. The worst part of this is that some companies don’t properly label their products. So, you might think you’re getting well under the legal amount of THC but you might actually be getting a high amount that will show up on your drug test. Some especially unethical companies might falsely claim their product is a CBD isolate with zero THC. Once again, this is another example of why finding a good CBD seller that you can trust is so important.

How Long Before My Drug Test Can I Take CBD?

Usually, you will have to take a drug test by providing a urine sample. THC will remain detectable in your urine for anywhere from a few days to over two weeks after you’ve taken it. This is true for a standard dose of CBD. If you take a much larger dose of CBD on a regular basis, though, THC might remain in your urine for a longer amount of time—sometimes an entire month, depending on the size of the dosage.

So Does CBD Show Up on a Drug Test? The bottom line is this: you most likely won’t have an issue passing a drug test if you’re using CBD. Getting a positive drug test result because of CBD is the exception, not the rule, and will most likely only happen if you’re taking an extremely high dose of CBD.

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