Drug Test [Web]

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

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

: Often used for recent-use screening; results are usually available within 24 hours. Tests are often categorized by the number of

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

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