Tag: False negatives

Some data suggests 5% to 10% of all drug tests may result in false positives. This high rate raises critical questions: Are at home drug tests as accurate as lab ones? While convenient, at-home kits operate differently and carry higher risks of inaccuracy compared to professional laboratory analysis.

According to a 2024 survey, 82.4% of drug testing providers believe employees are actively working to bypass tests, often using sophisticated methods or substances designed to evade detection. This raises a crucial question for employers and individuals alike: What drugs can't be detected on a drug test, and why do standard screening methods have limitations?

Immunoassay drug tests, the most common form of screening, can fail to detect a wide range of substances, leading many to question what drugs don't show up on a drug test. This occurs due to specific drug properties, testing panel limitations, and the rapid evolution of new chemical compounds. A simple negative result does not always mean a person is drug-free.