Monthly Archives: August 2026
Read Fentanyl Test Cutoffs Correctly for Clinicians, Harm Reduction
Learn when fentanyl appears in urine, why a 1.0 ng/mL cutoff matters, how to avoid false positives, and when to request LC-MS/MS confirmation.
Employers: One Retest Only under DOT for Dilute Urine Drug Tests
Why creatinine below 20 mg/dL flags a dilute urine drug test, what DOT §40.197 allows, and the safe steps employers and clinicians should follow.
Clinics: Detect Methadone Up to 7 Days, EDDP, Tests, 4 Kit Checks
For clinics and programs: which assays detect methadone up to 7 days, what EDDP reveals, how labs spot tampering, and 4 kit checkpoints.
Can Poppy Seeds Really Cause a Positive Drug Test?
Discover how eating poppy seeds can lead to a positive drug test. Learn the science behind it and what to do if you test positive.
What a TCA Drug Test Reveals About Tricyclic Antidepressant Use
Discover what a TCA drug test reveals about tricyclic antidepressant use, including important results, confirmations, and safety measures.
Urine Drug Test Cost: What You’ll Actually Pay in 2026
Discover what you can expect to pay for urine drug tests in 2026, from instant kits to lab confirmations, and find the best options.
GC-MS Confirmation: Why Labs Trust It for Final Results
Discover why labs rely on GC-MS confirmation for accurate, legally defensible drug testing results in forensic and clinical settings.
Does CBD Show Up on a Drug Test?
Wondering if CBD shows up on a drug test? Discover how pure CBD differs from THC and what you need to know to stay safe.
What Does MTD Mean on a Drug Test?
Discover what MTD means on a drug test, its significance, and how methadone uniquely affects screening results and workplace policies.
Methamphetamine Detection Time: What to Expect by Test
Discover how long methamphetamine stays in your system with different tests. Get the facts on detection times for urine, blood, saliva, and hair.