Drug Test Online

: Typically screens for Amphetamines, Cocaine, Marijuana (THC), Opiates, and Phencyclidine (PCP).

Tests are often categorized by the number of substances they screen for, known as "panels".

Different testing methods vary by their "detection window," or how far back they can identify drug use. DRUG TEST

: 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 : The most common for employment and legal

: 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

: Often used for recent-use screening; results are usually available within 24 hours. Drugs of Abuse Home Use Test - FDA

: Provides a long-term history of drug use, often looking back up to 90 days.