Drug Test ✔

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

: Highly accurate but invasive; usually reserved for accidents or high-stakes clinical settings. Standard Drug Panels DRUG TEST

: Provides a long-term history of drug use, often looking back up to 90 days. Different testing methods vary by their "detection window,"

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

: The most common for employment and legal reasons; can detect substances for days or weeks depending on the drug.