Web(1) HHS-certified laboratories shall apply the following cutoff levels for initial testing of specimens to determine whether they are negative or positive for the indicated drugs and … WebDrug testing has two cutoff levels for positive detection – screening and confirmation. Labs that follow the guidelines will consider drug testing …
On The Level: Screening and Confirmation Testing …
WebFeb 8, 2024 · 10ng/mL – 10ng/mL. MDMA – 500 ng/mL. 500 ng/mL – 250 ng/mL. Amphetamines. 500 ng/mL – 250 ng/mL. On ... WebThe combined cross-reactivity of compounds in the drug class may elicit a positive response, even though an individual metabolite may be present below the initial test cutoff. When performing confirmation testing by GC/MS or LC/MS/MS, one or more specific metabolites can be identified, quantified and reported using the applicable confirmation ... industrial sand blast pot
10 CFR § 26.163 - Cutoff levels for drugs and drug metabolites.
WebDrug class. Screen cutoff. Confirmation cutoff. Amphetamines. 150 ng/mL 120 ng/mL. Cocaine. 15 ng/mL. 6 ng/mL. Marijuana (THC) 3 ng/mL. 1.5 ng/mL. Methamphetamines. 120 ng/mL. 120 ng/mL. ... Oral Fluid Testing Certifications & Cutoff Levels; Oral Fluid Specimen Collections; Oral Drug Screening Facts & Information; Oral-Eze® Swab Drug Test ... WebThe confirmation testing is more specific. Therefore the analyzer can detect the specific analyte at a lower level so that’s why the cutoffs are different. If someone does have a … Web10 rows · Cutoff Concentrations for Drug Tests; Initial test analyte. Initial test cutoff 1. ... industrial sanding booth