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False-positive results in the detection of methadone in urines of patients treated with psychotropic

False-positive results in the detection of methadone in urines of patients treated with psychotropic

  1. Phenoxide
    False-positive results in the detection of methadone in urines of patients treated with psychotropic substances

    Lancelin F, Kraoul L, Flatischler N, Brovedani-Rousset S, Piketty ML

    Clinical Chemistry 51(11):2176-7 (2005)

    Abstract:

    In the context of methadone maintenance programs, immunochemical detection of methadone in urine has
    evolved, with rapid and sensitive techniques gaining impact in clinical laboratories because of their cost-effectiveness and suitability for automation. However, immunochemical methods may lack the specificity necessary for accurate measurement. We report spurious methadone results encountered in a psychiatric hospital.

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