https://www.drugs.com/article/false-positive-drug-tests.html

May 26, 2016 ... If benzoylecgonine, the main metabolite of cocaine is detected, the subject cannot claim that the result is a false positive due to Novocaine ...

https://www.mdedge.com/familymedicine/article/62384/addiction-medicine/what-common-substances-can-cause-false-positives

False-positive reports on urine drug screens by immunoassay are rare ... do not produce positive urine drug screens include passively inhaled crack cocaine or ...

https://www.sciencedirect.com/topics/neuroscience/benzoylecgonine

All urine samples tested positive for benzoylecgonine, the metabolite of ... does not produce false negative test results with cocaine immunoassays, but it may ...

https://academic.oup.com/painmedicine/article/16/6/1073/2460555

Jun 22, 2015 ... The Clinical Impact of a False-Positive Urine Cocaine Screening Result ... that both cocaine and its primary metabolite benzoylecgonine were ...

https://www.mlo-online.com/home/article/13003406/falsepositive-doa-testing-results-due-to-prescription-medications

Oct 1, 2009 ... Use of. Marinol to control severe pain produces a positive confirmatory test for marijuana metabolite (11-nor-9-carboxy-9-tetrahydrocannabinol;

https://www.mayoclinicproceedings.org/article/S0025-6196(16)30825-4/pdf

Jul 15, 2015 ... using urine drug test, screen, false-positive, false-negative, abuse, .... Cocaine metabolites ... amines, cocaine, marijuana, opiates, and phen-.

https://www.mayoclinicproceedings.org/article/S0025-6196(11)61120-8/fulltext

False-positive results of immunoassays can lead to serious medical or social consequences if results are not confirmed by .... Cocaine metabolites, 2–4 d.

https://www.urmc.rochester.edu/encyclopedia/content.aspx?contenttypeid=167&contentid=cocaine_screen

The two most important metabolites of cocaine are benzoylecgonine ... to get a false negative, meaning a negative result when the result should be positive ...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4371026/

Feb 26, 2015 ... Administratively, positive results in “for-cause” and postaccident testing have ... Equating a positive urine test for cocaine metabolites to the ...

https://www.ncbi.nlm.nih.gov/pubmed/24138673

Oct 18, 2013 ... The clinical impact of a false-positive urine cocaine screening result on a ... that both cocaine and its primary metabolite benzoylecgonine were ...