549 ARTICLES · UPDATED WEEKLY

Noticias

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

More from the lab notebook

Page 12 of 46
Cannabis Dispensary Employee Drug Testing: What Operators Can and Cannot Do

Oct 10, 2026 ·9 min read

Cannabis Dispensary Employee Drug Testing: What Operators Can and Cannot Do

Running a licensed dispensary puts an operator in an unusual position. The product on the shelf is the same substance that, in almost any...

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Retail Employee Drug Testing Policy: Loss Prevention, Safety and State Law

Oct 8, 2026 ·7 min read

Retail Employee Drug Testing Policy: Loss Prevention, Safety and State Law

Most retail employers are not required by federal law to drug test anyone. That surprises store owners and HR leads who assume a baseline...

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Restaurant Employee Drug Testing Policy: What Owners Can and Cannot Do

Oct 8, 2026 ·8 min read

Restaurant Employee Drug Testing Policy: What Owners Can and Cannot Do

A line cook with a knife, a dishwasher near a slicer, a fryer station running at three hundred fifty degrees, and a delivery driver...

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Municipal Employee Drug Testing Policy: Public Employers, Safety Sensitive Roles and Limits

Oct 8, 2026 ·8 min read

Municipal Employee Drug Testing Policy: Public Employers, Safety Sensitive Roles and Limits

A city or county that wants to test employees for drugs is not writing on a blank page the way a private company is....

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Hospice Employee Drug Testing: Diversion Risk, CMS Rules and Program Design

Oct 8, 2026 ·9 min read

Hospice Employee Drug Testing: Diversion Risk, CMS Rules and Program Design

Hospice staff carry controlled substances into private homes, count what is left in a patient's medication supply, and are sometimes the only adult in...

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Forklift Operator Drug Testing Requirements: OSHA, Employer Policy and Panels

Oct 8, 2026 ·7 min read

Forklift Operator Drug Testing Requirements: OSHA, Employer Policy and Panels

Warehouses, distribution centers and manufacturing plants run on powered industrial trucks, and a lift operating under the influence puts pedestrians, product and the operator...

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Fire Department Drug Testing Policy: Career, Volunteer and Safety Sensitive Rules

Oct 8, 2026 ·8 min read

Fire Department Drug Testing Policy: Career, Volunteer and Safety Sensitive Rules

Fire chiefs, HR leads and safety officers asking whether their department "has to" drug test are usually surprised by the answer: outside a narrow...

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EMS and Paramedic Drug Testing Requirements: Licensing, Employers and Panels

Oct 8, 2026 ·9 min read

EMS and Paramedic Drug Testing Requirements: Licensing, Employers and Panels

Emergency medical services agencies sit in an unusual spot. EMTs and paramedics carry and administer controlled substances, drive emergency vehicles, and make time pressured...

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Does Warfarin Cause a False Positive Drug Test? Blood Thinners and Panels

Oct 8, 2026 ·7 min read

Does Warfarin Cause a False Positive Drug Test? Blood Thinners and Panels

Warfarin is one of the most widely prescribed anticoagulants in the country, and people who take it sometimes worry it will trigger a false...

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Does Varenicline Show Up on a Drug Test? Smoking Cessation Medications

Oct 8, 2026 ·8 min read

Does Varenicline Show Up on a Drug Test? Smoking Cessation Medications

Varenicline is the active ingredient in a prescription smoking cessation medication sold under brand names including Chantix. Employers and employees sometimes ask whether a...

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Does Sulfamethoxazole Trimethoprim Cause a False Positive Drug Test?

Oct 8, 2026 ·7 min read

Does Sulfamethoxazole Trimethoprim Cause a False Positive Drug Test?

Sulfamethoxazole trimethoprim, often dispensed under combination antibiotic labels, is one of the most commonly prescribed antibiotics for urinary tract infections, respiratory infections, and certain...

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Does Montelukast Show Up on a Drug Test? Asthma Medications and Panels

Oct 8, 2026 ·7 min read

Does Montelukast Show Up on a Drug Test? Asthma Medications and Panels

Montelukast, sold under the brand name Singulair and as generic tablets and granules, is one of the most commonly prescribed maintenance medications for asthma...

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