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A drug test (also often toxicology screen or tox screen) is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, or oral fluid/saliva—to determine the presence or absence of specified parent drugs or their metabolites.
In Europe in the late 1940s special toxicology wards were set up; initial wards were started in Copenhagen and Budapest, and the Netherlands began a poison information service. [ 4 ] In the United States during the 1930s, Louis Gdalman , a pharmacist knowledgeable in the chemistry of harmful substances, set up a poison information service at St ...
American Addiction Centers (AAC) is a Brentwood, Tennessee–based, publicly traded for-profit addiction treatment chain. [3]The company delivers addiction treatment services in residential and outpatient facilities, as well as provides drug testing and diagnostic laboratory services.
Toxicology testing, also known as safety assessment, or toxicity testing, is the process of determining the degree to which a substance of interest negatively impacts the normal biological functions of an organism, given a certain exposure duration, route of exposure, and substance concentration.
ATSDR is an agency within the US Department of Health and Human Services concerned with the effects of hazardous substances on human health. ATSDR is charged with assessing the presence and nature of health hazards at specific Superfund sites, as well as helping prevent or reduce further exposure and the illnesses that can result from such exposures. [7]
The fixed-dose procedure (FDP), proposed in 1992 by the British Toxicology Society, is a method to assess a substance's acute oral toxicity. [1] [2]In comparison to the older LD 50 test developed in 1927, this procedure produces similar results while using fewer animals and causing less pain and suffering. [3]