Does Vaping Show Up On A Drug Test?

Published October 1, 2023 • Spinfuel Editorial Lab

The Lab Notes: Key Takeaways

The question of whether vaping can trigger a positive result on a drug test is a common concern for many. With the rise in popularity of e-cigarettes and vaporizers, it's natural to wonder about their implications, especially concerning employment or…

The question of whether vaping can trigger a positive result on a drug test is a common concern for many. With the rise in popularity of e-cigarettes and vaporizers, it’s natural to wonder about their implications, especially concerning employment or legal matters. This article aims to clarify what drug tests look for and how vaping, depending on what you vape, might or might not affect the outcome.

Generally speaking, a standard drug test is designed to detect illicit substances or prescription medications that are being misused. Vaping nicotine products, which are legal for adults, does not typically lead to a positive result on these common drug screens. However, there are nuances to consider, particularly concerning nicotine-specific tests or products containing controlled substances like THC.

What Do Drug Tests Look For?

Drug tests are primarily designed to detect specific substances or their metabolites in a person’s system. These tests are usually conducted for employment screening, probation, athletic organizations, or medical purposes.

The most common substances tested for in a standard 5-panel drug test include:

  • Amphetamines: (e.g., Adderall, methamphetamine)
  • Cocaine: (and its metabolites)
  • Marijuana/THC: (delta-9-tetrahydrocannabinol)
  • Opioids: (e.g., heroin, morphine, codeine, oxycodone)
  • Phencyclidine (PCP)

Expanded panels can test for additional substances, such as benzodiazepines, barbiturates, synthetic cannabinoids, and more. Vaping, in itself, does not introduce any of these substances into your system unless the e-liquid contains them.

Nicotine and Cotinine Tests

While nicotine is not an illicit drug, some employers, insurance companies, or healthcare providers may conduct tests specifically for nicotine or its primary metabolite, cotinine. These are separate from standard drug tests and are typically performed for specific reasons, such as:

  • Insurance Policies: To determine premiums, as smokers often pay higher rates.
  • Employment: In companies with strict no-nicotine policies, especially in wellness programs or specific industries.
  • Healthcare: Before certain surgeries or treatments where nicotine use could be a contraindication.

If you vape nicotine-containing e-liquids, you will test positive for nicotine and cotinine on these specific tests, regardless of whether you smoke traditional cigarettes or use a vape.

These tests can be conducted using various samples:

  • Urine: The most common method.
  • Blood: Provides accurate results but is more invasive.
  • Saliva: Simple and non-invasive, often used for quick screenings.
  • Hair Follicle: Can detect nicotine use over a longer period (up to 90 days).

How Long Does Nicotine Stay In Your System?

The detection window for nicotine and cotinine varies depending on the test type and individual metabolism:

  • Urine: Nicotine can be detected for up to 3 days; cotinine for up to 3 weeks.
  • Blood: Nicotine for 1-3 days; cotinine for up to 10 days.
  • Saliva: Nicotine for up to 4 days; cotinine for up to 4 days.
  • Hair Follicle: Up to 3 months.

Factors like frequency of use, hydration, age, and liver function can influence these times.

The Difference Between Vaping and Smoking

From a drug test perspective, the primary difference between vaping and smoking traditional cigarettes lies in the delivery method and the specific substances being consumed. Both methods can deliver nicotine, but vaping often uses e-liquids that may contain other legal substances like propylene glycol, vegetable glycerin, and flavorings, which are not targets for standard drug tests.

Traditional cigarette smoke contains thousands of chemicals, many of which are harmful, but the key substances relevant to nicotine tests are still nicotine and cotinine. When comparing the two:

  • Nicotine: Both deliver nicotine, so both will result in a positive nicotine/cotinine test if that’s what the test is looking for.
  • Other Substances: Standard drug tests don’t look for the non-nicotine components of e-liquids or the vast array of chemicals in cigarette smoke.

The image below illustrates a typical vape device:

Vape devices and e-liquids

E-Liquids and Drug Tests

The contents of e-liquids are crucial when discussing drug tests. Most commercial e-liquids contain:

  • Propylene Glycol (PG)
  • Vegetable Glycerin (VG)
  • Food-grade flavorings
  • Nicotine (optional)

None of these standard components are substances that a typical drug test would screen for. Therefore, vaping a standard nicotine e-liquid will not trigger a positive result on a drug test for illicit substances.

Vaping Cannabis Products

This is where the distinction becomes critical. If you are vaping e-liquids or cartridges that contain Tetrahydrocannabinol (THC), the psychoactive compound found in cannabis, then yes, you absolutely will test positive for marijuana on a drug test.

Many cannabis products are now available in vape form, including:

  • THC Vapes: Cartridges containing concentrated THC.
  • Delta-8, Delta-10, HHC Vapes: These are cannabinoids derived from hemp that can produce psychoactive effects and often metabolize into similar compounds as Delta-9 THC, potentially leading to a positive drug test.

It’s vital to be aware of the specific compounds in any cannabis-derived product you are vaping, especially if you are subject to drug testing.

What About CBD Vapes?

Cannabidiol (CBD) is another cannabinoid found in cannabis, known for its non-psychoactive properties. CBD products, including vape liquids, are widely available. Pure CBD itself will not cause a positive drug test result for THC. However, there are important caveats:

  • Full-Spectrum CBD: Many CBD products, especially full-spectrum ones, contain trace amounts of THC (up to 0.3% by dry weight, as per federal guidelines for hemp). While this amount is typically not enough to cause psychoactive effects, consistent use could theoretically lead to THC accumulation in the body, potentially resulting in a false positive on a highly sensitive drug test.
  • Mislabeled Products: The CBD market is not always strictly regulated. Some products may be mislabeled and contain higher levels of THC than advertised.

If you must undergo drug testing and use CBD products, it is recommended to use broad-spectrum CBD or CBD isolate, which are processed to remove THC entirely. Always purchase from reputable brands that provide third-party lab testing results to verify the product’s contents.

Does Vaping Lead To Positive Drug Tests For Other Drugs?

No, there is no scientific evidence to suggest that vaping standard, nicotine-containing e-liquids (without illicit substances) can cause a positive drug test for other drugs like amphetamines, opioids, cocaine, or PCP. The ingredients in legal vape juices do not metabolize into compounds that mimic these controlled substances.

Myths sometimes circulate about cross-reactivity, where a legal substance could trigger a false positive. While rare instances have been documented with certain over-the-counter medications (e.g., ibuprofen for marijuana, pseudoephedrine for amphetamines), these are typically addressed by confirmatory tests (like GC-MS) that differentiate between the legal substance and the illicit drug. The common ingredients in e-liquids are not known to cause such issues.

Workplace Policies and Vaping

Beyond drug tests, it’s essential to understand that many workplaces have their own policies regarding vaping and nicotine use. Even if vaping doesn’t show up on a standard drug test, a company might have a “nicotine-free workplace” policy. In such cases, testing positive for nicotine or cotinine could still lead to employment consequences.

Always review your employer’s or prospective employer’s policies concerning drug testing, nicotine use, and vaping to ensure compliance.

Conclusion

To summarize, standard drug tests designed to detect illicit substances will not show a positive result if you are only vaping nicotine-containing e-liquids. The components of typical vape juice (PG, VG, flavorings, and nicotine) are not targeted by these tests.

However, if the test is specifically looking for nicotine or its metabolite cotinine, then vaping nicotine products will indeed lead to a positive result. Furthermore, if you vape products containing THC or other psychoactive cannabinoids (including certain hemp-derived cannabinoids like Delta-8), you will test positive for marijuana. Be cautious with CBD products, especially full-spectrum ones, and always verify their THC content with third-party lab reports if drug testing is a concern.

Always be aware of what you are vaping and the potential implications for any required drug or nicotine screenings.