| Reportable - Test Results Type: | Determine the average calculated cocaine metabolite cutoff calibrator (25 ng/ml) OD450 nm value for Wells A1 through C1. Multiply this average of cutoff calibrator by 1.4 to give a calculated Cutoff Value (which is calculated automatically in Aurora). An OD450 nm value greater than the calculated Cutoff Value is considered NEGATIVE (-) for cocaine and/or cocaine metabolites. An OD450 nm value less than or equal to the calculated Cutoff Value is considered REACTIVE (R+) for cocaine and/or cocaine metabolites. All positives are sent to Toxicology for confirmation. |