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Urine Adulteration in Drug Testing

Urine Adulteration in Drug Testing

  1. Richard_smoker
    From Hong Kong Journal of Psychiatry, 2005; 15:60-62

    ABSTRACT:
    Drug abusers may attempt to conceal their drug intake by interfering with the clinical specimens sent to the laboratory for toxicology screening. This report describes a 27year old drug abuser who repeatedly submitted urine samples with abnormally low creatinine concentrations in order to invalidate drug screening. Adulteration by addition of ammonia-containing cleanser was suspected and eventually admitted by the patient. This case illustrates common features of urine adulteration. Various strategies for the prevention and detection of adulteration are also discussed.