What a Mouth Swab Drug Test Detects: Drugs, Cutoffs, Windows
A mouth swab (oral fluid) test detects recent use of major drug classes, with SAMHSA initial cutoffs of 3 to 30 ng/mL and typical windows of about 24-48 hours. This gu...
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INSIGHTS & GUIDES · FROM THE ASC TEAM
Drug Testing Guides & Resources
Expert guides on drug test panels, workplace drug testing policies, DOT compliance and running an accurate screening program.
How Long Drugs Show on a Saliva Test: 24-72 Hour Guide
Most drugs are detectable in oral fluid for roughly 1 to 3 days, and THC often for a shorter period after occasional use. This guide gives the HHS initial cutoffs, typ...
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Marquis Drug Test Kit: What It Detects vs. Urine Cups
A Marquis drug test kit identifies suspected substances by color change in powders, pills or residue. It does not screen people, so clinics, courts and employers need ...
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Field Drug Test Kits Police Use: How They Work, Limits
Field drug test kits used by police give fast, presumptive results that must be confirmed by a laboratory. This guide explains the kit types, cutoffs, limits and what ...
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Drug Test Color Meaning: How to Read Cup and Dip Results
On cups and dip cards, the colored lines matter, not a color change: a line in the control and test regions is negative, and a missing test line is a preliminary posit...
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Urine Cup Drug Test Volume: 30-45 mL Is Needed
A urine cup drug test generally needs about 30 to 45 mL of urine, and DOT collections require at least 45 mL. This guide covers fill lines, temperature checks, insuffi...
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Dance Safe Drug Testing Kit vs. FDA-Cleared Screens
Harm-reduction drug-checking kits analyze a substance, while FDA-cleared, CLIA-waived urine and oral fluid tests screen a person. This guide helps clinics, courts and ...
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Drug Testing Kit for Powder: What Works and What Doesn't
Urine cups and dip cards are built to screen human urine, not unknown powders. This guide explains what to buy when the question is about a powder, a person, or both, ...
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Most Accurate Drug Test Kit: Cutoffs and Lab Confirmation
The most accurate drug test result comes from laboratory confirmation by GC/MS or LC-MS/MS, not from any screening kit. This guide shows buyers how to compare FDA-clea...
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Drug Test Cup Instructions: Step-by-Step for Clinics
A step-by-step protocol for collecting and reading a multi-panel urine drug test cup, with cutoff levels, detection windows and a decision table for clinics, courts an...
Read article →Drug Testing Service: How Employers Choose the Right One
A drug testing service combines specimen collection, lab analysis and medical review to produce defensible results. This guide helps employers, clinics, courts and sta...
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Bactrim Does Not Show Up on a Standard Drug Test
Bactrim (sulfamethoxazole/trimethoprim) is not a target analyte on standard urine drug screens, so it should not produce a positive on its own. This guide explains wha...
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