Opiate Positive Test from Poppy Seeds

Poppyseed ingestion has been clearly and repeatedly shown to be able to cause positive opiate results in urine tests, even at the Federally (US) mandated elevated level of 2000 ng morphine/ml.  (Clin. Chem. 33:806, 1987;   J. Forensic Science 41:209-12, 1996;  J. Anal. Tox. 27:449-452, 2003; Forensic  Sci. Int. 143:183-186, 2004; and finally as stated […]

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