254 ARTICLES · UPDATED WEEKLY

News

Field guides, regulatory updates, and product breakdowns from the team behind American Screening Corporation's drug testing supplies.

More from the lab notebook

Page 9 of 22
Does MDMA Show Up on a Drug Test? Ecstasy Detection Windows and Panel Selection

Aug 18, 2026 ·7 min read

Does MDMA Show Up on a Drug Test? Ecstasy Detection Windows and Panel Selection

Yes, MDMA can show up on a drug test, but only if the panel is configured to catch it. Standard five-panel amphetamine screens are...

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Does Ketamine Show Up on a Drug Test? KET Panels and the Rise of Ketamine Screening

Aug 18, 2026 ·8 min read

Does Ketamine Show Up on a Drug Test? KET Panels and the Rise of Ketamine Screening

No, not on a standard test. The immunoassay antibodies built into standard 5 panel, 10 panel, and 12 panel drug testing cups and dip...

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DOT Drug Testing Consortiums for Owner-Operators: How a C/TPA Keeps You Compliant

Aug 18, 2026 ·7 min read

DOT Drug Testing Consortiums for Owner-Operators: How a C/TPA Keeps You Compliant

An owner-operator who is subject to FMCSA drug and alcohol testing rules cannot build or run a do-it-yourself random testing program. FMCSA guidance under...

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How to Get a CLIA Certificate of Waiver: A Practical Guide for Clinics and Testing Programs

Aug 18, 2026 ·8 min read

How to Get a CLIA Certificate of Waiver: A Practical Guide for Clinics and Testing Programs

A CLIA Certificate of Waiver is the federal authorization that lets a clinic, treatment program, or testing site legally perform simple, low risk lab...

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Does CBD Show Up on a Drug Test? THC Content, Cutoffs, and What Employers Should Know

Aug 18, 2026 ·6 min read

Does CBD Show Up on a Drug Test? THC Content, Cutoffs, and What Employers Should Know

Standard workplace drug test panels are built to detect THC metabolites, not CBD itself, so a pure CBD isolate should not trigger a positive...

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Barbiturates on a Drug Test: Detection Times, Cutoffs, and Why BAR Panels Still Matter

Aug 18, 2026 ·8 min read

Barbiturates on a Drug Test: Detection Times, Cutoffs, and Why BAR Panels Still Matter

A barbiturate drug test, commonly labeled BAR on a test panel, screens for a class of sedative medications that includes phenobarbital and butalbital along...

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Adderall and Drug Tests: Why Amphetamine Positives Happen and How MRO Review Works

Aug 18, 2026 ·6 min read

Adderall and Drug Tests: Why Amphetamine Positives Happen and How MRO Review Works

Adderall is a brand name for a mixture of amphetamine salts, so an amphetamine (AMP) drug screen that flags a person taking Adderall is...

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6 Panel vs 10 Panel Drug Test: Which One Does Your Program Actually Need?

Aug 18, 2026 ·8 min read

6 Panel vs 10 Panel Drug Test: Which One Does Your Program Actually Need?

A 6 panel drug test screens for a shorter, narrower list of commonly abused drugs, while a 10 panel test adds several more drug...

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How Long Does Cocaine Stay in Your System for a Urine Test?

Aug 12, 2026 ·7 min read

How Long Does Cocaine Stay in Your System for a Urine Test?

A urine drug test does not actually look for cocaine itself. It looks for benzoylecgonine, the metabolite the body produces as it breaks cocaine...

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Does a Standard Drug Test Detect Xylazine ("Tranq")?

Aug 12, 2026 ·7 min read

Does a Standard Drug Test Detect Xylazine ("Tranq")?

No. The multi-panel urine cups, dip cards, and oral fluid tests used in most workplace, clinical, and correctional drug testing programs do not detect...

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Does Tramadol Show Up on a Drug Test? What Pain Clinics and Treatment Programs Need to Know

Aug 12, 2026 ·7 min read

Does Tramadol Show Up on a Drug Test? What Pain Clinics and Treatment Programs Need to Know

Not on a standard opiate panel. Standard urine drug test cups and dip cards, including 5, 10, and 12 panel formats, use immunoassay antibodies...

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Does Kratom Show Up on a Drug Test? A Buyer's Guide for Employers, Clinics, and Treatment Programs

Aug 12, 2026 ·8 min read

Does Kratom Show Up on a Drug Test? A Buyer's Guide for Employers, Clinics, and Treatment Programs

No, not on a standard test. The 5 panel, 10 panel, and 12 panel immunoassay cups and dip cards used in most workplace and...

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