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Drug Testing Guides

What each test panel screens for, how long substances stay detectable and what to do when a result looks wrong.

Drug Testing
Photo: Airman 1st Class Erin O'Shea · Public domain · Wikimedia Commons

What 5-Panel Tests Detect

A 5-panel drug test typically does not include routine screening for ketamine or GHB. MDMA, or ecstasy, is screened under the amphetamines class, but only when the assay design includes…

3 min read

Ketamine Detection Times Explained

Ketamine is often not included in standard workplace drug tests, so if you are facing a medical or employment urinalysis, the most critical question is not just "how long it stays," but…

3 min read

False Positive Drug Tests

An initial positive drug test result often starts with a presumptive immunoassay screen. Those screens can react to a surprisingly wide range of substances. Confirmation testing, and in…

3 min read

If someone is in danger right now

Unresponsive, breathing slowly or noisily, overheating, having a seizure or chest pain: do not wait for it to pass.