: The most common for employment and legal reasons; can detect substances for days or weeks depending on the drug.
A is a technical analysis of a biological specimen—most commonly urine, hair, blood, or oral fluid—to determine the presence or absence of specific illegal drugs or their metabolites. Common Drug Test Types DRUG TEST
: Can include 8, 10, 12, or even 25 panels to screen for prescription drugs like benzodiazepines, barbiturates, and synthetic opioids like fentanyl. Drugs of Abuse Home Use Test - FDA : The most common for employment and legal
: Often used for recent-use screening; results are usually available within 24 hours. DRUG TEST