Drug and Alcohol Testing Q&A - 2008

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Re: Can poppy seed ingestion cause positive hair tests?

From: Dr. Steve
Password: orange
Date: 26 Feb 2008
Time: 10:31:21 -0800
Remote Name: 74.10.7.238

Comments

I agree with Dr. Swotinsky. Also (and I think this may have been mentioned in previous threads) Psychemedics Corporation, one of the largest (if not the largest) hair testing labs will tell you that all of their data have shown that poppy seeds alone will not cause a hair specimen to test positive to morphine or codeine. I am glad there is an additional study to back this up as well.