cannabis drug testing

Cannabis drug testing looks for THC and the metabolites your body creates as it breaks THC down. Standard panels do not test for CBD, so a pure CBD product is unlikely to trigger a positive — but full-spectrum hemp extracts can carry trace THC that adds up with daily use. This guide explains how each test type works, how long detection windows last, and how to choose CBD products with the lowest risk.

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Key Features

• Urine screening: the most common workplace test, run as an immunoassay with a 50 ng/mL screen and GC-MS confirmation at 15 ng/mL.
• Saliva swabs: detect THC shortly after use, generally within 24 to 48 hours.
• Hair analysis: the longest window, typically up to 90 days and sometimes longer on repeat testing.
• Blood draws: a narrow window of a few hours to a couple of days, used mainly in impaired-driving cases.
• Detection time shifts with frequency of use, body fat, metabolism, and hydration.
• CBD isolate and broad-spectrum products keep THC removed entirely or at or below the 0.3% federal limit.
• Third-party certificates of analysis list the measured THC content for a specific batch.

How the Testing Process Works

Most labs use two steps. A sample is first screened with an immunoassay calibrated to a cutoff value; any non-negative screen goes to confirmatory testing, usually gas chromatography-mass spectrometry, which identifies the specific metabolite and its concentration. A result is reported as negative when that concentration falls below the confirmation cutoff. Because cutoffs, dilution, and handling differ between labs and employer policies, the same person can see different outcomes at different facilities.

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Shipping and Returns

Orders placed before 2 p.m. ET ship the same business day, and every batch page links to its lab report so you can confirm THC content before you buy. Unopened products can be returned within 30 days for a full refund, and if a lab report does not match the batch you received, our support team will make it right.

cannabis and urine test

Will CBD Show Up on a Cannabis Drug Test?

In most cases, no. Standard panels target THC metabolites, and CBD is not one of them. A positive is possible only when a product contains enough THC to cross the lab's cutoff.

Drug Test For Cannabis

How Long Does THC Stay Detectable?

Occasional use usually clears urine in about three days, while heavy daily use can remain detectable for 30 days or more. Hair tests reach back roughly 90 days.

How Can You Lower Your Risk?

Choose isolate or broad-spectrum options, check the certificate of analysis for the exact batch you are buying, and keep daily servings consistent with the label directions.