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A mouth swab drug test is a screening test that checks a saliva (oral fluid) sample for recent drug use. The person being tested places a collection swab in their mouth, the swab absorbs saliva, and the test device shows results on built-in test strips. It is non-invasive, easy to observe, and does not need a restroom, which is why many employers, clinics, and staffing agencies use it for on-site screening.

The donor should have nothing in their mouth (no food, drink, gum, or tobacco) for at least 10 minutes before the test. The collector watches the donor place the swab in their mouth until it is saturated, then inserts it into the test device. The saliva travels to the test strips, and each drug panel shows a result line in the results window. Because the whole collection happens in plain view, it is much harder to tamper with than an unobserved urine collection.

Our mouth swab drug tests show preliminary results in about 5 to 7 minutes after collection, so you can screen on-site and keep hiring or testing moving without waiting days for a lab.

Mouth swab tests detect recent use. For most substances the detection window is roughly 24 to 48 hours, though it varies with the drug, the amount used, how often someone uses it, and their metabolism. That makes oral fluid testing a good fit for questions like reasonable suspicion and post-accident testing, where recent use is what matters. Urine and hair tests look further back.

When used as directed, mouth swab drug tests are a reliable way to screen. Like any instant test, they are a preliminary screen, so the standard practice is to send any non-negative result to a certified laboratory for confirmation (typically GC-MS or LC-MS/MS) before taking action. A negative result on-site lets you move forward right away, and only the non-negatives need lab follow-up, which keeps costs down.

The panel number is how many drugs or drug classes the test screens for. Our 5 panel test covers marijuana (THC), opiates, cocaine, amphetamine, and methamphetamine. The 10 and 12 panel tests add more drug classes for broader screening, and the 12 panel with alcohol adds an alcohol test as well. Many employers start with a 5 panel and choose a 10 or 12 panel when their policy, industry, or insurance requires wider coverage. See each product page for the full list.

No special certification is needed to administer an instant mouth swab test for non-DOT programs. A supervisor, HR staff member, or clinic employee can follow the included instructions: confirm the 10 minute waiting period, watch the collection, run the test, and read the results at the stated time. Using the same written process every time is what keeps your program consistent and defensible.

Instant on-site tests like these are not used for DOT-regulated drug testing. DOT tests must follow the collection and laboratory procedures in 49 CFR Part 40 and be analyzed by an HHS-certified lab. Mouth swab tests are widely used for non-DOT workplace programs, including pre-employment, random, reasonable suspicion, post-accident, and return-to-work testing.

Yes. Every test comes in boxes of 25, 100, 500, or 1,000 kits, with the per-test price dropping as you order more (up to 19% off at the 1,000 kit level). Orders ship from the U.S., usually within 24 hours, with typical delivery in 3 to 5 business days, and shipping is free on orders over $75.