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Toxicology Screen
Alternate Names : Amphetamines - Screen, Analgesics - Screen, Antidepressants - Screen, Barbiturates - Screen, Benzodiazepines - Screen, Blood Alcohol Test, Drug Abuse Screen, Isopropanol (Rubbing Alcohol) - Screen, Methanol - Screen, Narcotics - Screen, Phenothiazines - Screen
Definition Tests to evaluate the type (and roughly measure the amount) of legal and illegal drugs taken by a person.
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Why is the Test Performed?
This test can be used to evaluate possible accidental or intentional overdose or poisoning, such as when there is a need to evaluate the type and amount of legal and illegal drugs used by a person. The test can be performed to determine the cause of acute drug toxicity, to monitor drug dependency, and to determine the presence of substances in the body (for medical and/or legal purposes). See also: Drug abuse first aid.
If the test is used as a drug screen there is a finite amount of time after ingestion that the drug or any of its metabolites can be detected:- cocaine
- 2 to 4 days; up to 10 to 22 days with heavy use
- amphetamines
- heroin
- morphine
- phencyclidine (PCP)
- alcohol
- benzodiazepines
- up to 6 weeks with high level use
- hydromorphone
- tetrahydrocannabinol (THC)
- 6 to 11 weeks with heavy use
- propoxyphene
- methadone
- codeine
- barbiturates
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Definition Why is the Test Performed? How is the Test Performed? How to Prepare for the Test? How will the Test Feel? Normal Values What do Abnormal Results Mean? Special Considerations Risks
Pictures & Images
Topics that might be of interest to you Diseases & Conditions
Alcohol Withdrawal Alcoholism Analgesic Nephropathy Delirium Delirium Tremens Dementia Stroke Secondary to Cocaine
Tests & Exams
Blood Pressure Venipuncture
Other Topics
Acute Alcohol and Diet Antifreeze Bleeding Drug Abuse Drug Abuse First Aid Fainting Hypnotics Isopropanol Overdose Mercury Nausea and Vomiting Pain Medications
Review Date : 2/17/2002
Reviewed By : Michael C. Milone, M.D., Ph.D., Department of Pathology and Laboratory Medicine, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.
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