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A screening test for possible drug presence is not a confirmation test

October 28, 2010

Laboratories often use screening tests to detect possible drug presence. These tests are sometimes misinterpreted as confirmation tests when they are actually exclusionary tests. Attorney Justin McShane explains the correct usage for drug screening tests in his blog post: A screening test for possible drug presence is not a confirmation test.

Please visit Attorney McShane’s blog to learn The Truth about Forensic Science

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