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Do you really need that emergency drug screen?
Introduction. A drug screen is a frequent investigation in the emergency department. The purpose of ordering this test is to determine whether the patient's condition is due to a drug. The purpose of this review is to address the question -do you really need that emergency drug screen? Background. A screening test is an investigation performed upon a defined population to identify subclinical disease. A diagnostic test confirms a specific disease in a particular patient who is at risk of thatdoi:10.1080/15563650902907798 pmid:19514875 fatcat:5c2umdxuxjb5dkkbcetdcvjgke