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Cocaine Metabolite Crossreactivity Table


 Compound  Conc. (ug/mL)  Effect
Benzoylecgonine (cutoff)  0.3   Positive
Cocaine  50   Positive
Acetaminophen  1000  Negative
Acetylsalicylic Acid  1000  Negative
Albuterol  1000    Negative
Amobarbital  1000   Negative
d-Amphetamine  1000   Negative
Benzocaine  1000   Negative
Caffeine  100   Negative
Codeine  1000   Negative 
Dextromethorphan  100   Negative
Ecgonine  10   Negative
Ecgonine Methyl Ester  10   Negative 
Lidocaine  1000   Negative
Lysergic Acid  100   Negative
Meperidine  1000   Negative
Methadone  1000   Negative
Metoclopramide  1000   Negative
Metronidazole  1000   Negative
Morphine  200   Negative
Nicotine  500   Negative
Oxazepam  100   Negative
Phencyclidine  1000   Negative
Phenobarbital  1000   Negative
Propoxyphene  1000   Negative
Secobarbital  1000   Negative
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a)   Data shown was collected using SYNCHRON CX Systems. Equivalency between SYNCHRON LX Systems has been established by correlation analysis to SYNCHRON CX Systems.