COCAINE - CONFIRMATION, HAIR

Reference values and Delivery Time Modification

Test code: 4383

Effective update from 06/09/2019

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NEGATIVE:     Less than 0.5 cocaine ng/mg hair    Less than 0.05 benzoylecgonine ng/mg  hair    Ratio benzoylecgonine/cocaine les than 0.05       (SAMHSA: The Substance Abuse and Mental Health Services. Administration y Department of health and human Services: Proposed revisions to mandatory guidelines for federal work- place drug testing programs, Federal Register 2004, 69, 19673–19732).             Delivery term: 20 days                   Version of Test: 18

NEGATIVE:     Less than 0.5 cocaine ng/mg hair    Less than 0.05 benzoylecgonine ng/mg  hair (EWTS: European Workplace Drug Testing Society, 2015)  (SAMHSA: The Substance Abuse and Mental Health Services. Administration y Department of health and human Services: Proposed revisions to mandatory guidelines for federal work- place drug testing programs, Federal Register 2004, 69, 19673–19732).                     Delivery term: 10 days                     Version of Test: 18

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