Category: Ask the Experts

Oral Fluid testing

Ask the experts: Is an oral fluid drug test safe?

June 9, 2020 By

During the novel coronavirus health crisis, many employers ask is if an oral fluid drug test is safe in the current circumstances. Under rigorous safety procedures, drug testing continues across the country.

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Cold medicines and drug test results

February 11, 2020 By

During cold and flu season, questions arise about common cough medicines and their impact on drug test results. Get the facts.

Oral Fluid testing

Ask the experts: Is oral fluid drug testing legal?

August 15, 2019 By

Is it legal? Our experts discuss using oral fluid for regulated and non-regulated workplace drug testing programs.

Urine testing

What is a regulated drug test?

July 9, 2019 By

A regulated drug test typically involves a urine or alcohol collection performed for specific agencies categorized as “safety-sensitive” workplaces because of the potential influence of their job on public safety.

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Ask the expert: New marijuana law in Nevada

July 2, 2019 By

Nevada passed a law effective January 1, 2020 that places restrictions on how employers handle positive tests for marijuana for job applicants.

Oral Fluid testing

Understanding oral fluid testing terminology

May 23, 2019 By

Oral fluid drug testing systems represent cutoffs as neat rather than diluted. Our expert explains the difference.

Hair testing

Ask the experts: Can hair testing detect one-time drug use?

May 14, 2019 By

Employers who look for solutions to detect one-time drug use often ask if hair testing may be a viable option. We help to provide insight.

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Cannabidiol and drug tests

February 8, 2019 By

Maybe. CBD itself would not report positive on a drug test for marijuana or marijuana metabolite. In some states, CBD may contain up to 5% THC. If the CBD product contains THC at a sufficiently high concentration, it is possible that the use of these products could cause a positive urine drug test result.

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Ask the experts: Secondhand marijuana smoke

November 1, 2018 By

You very likely can't fail a drug test from secondhand smoke. There are no published, peer-reviewed studies to date that indicate someone would test positive on a drug test due to incidental exposure of marijuana smoke. Learn more from Dr. Barry Sample, Quest Diagnostics, on this subject here.

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Ask the experts: Drug testing and prescription medication

September 11, 2018 By

What happens if you fail a drug test but have a prescription? Learn about the important role Medical Review Officers have in the drug screening process.