Cannabinoids DAU Calibrator Control Level 1 (37.5 ng/mL) This solution is prepared from non-sterile urine and should be handled as potentially infectious. IVD; The Cannabinoids (cTHC also known as THC version c) DAU negative and positive controls are human urine-based liquids and ready to use. The constituent is a processed drug-free human urine matrix, containing buffers, stabilizers, and less than 0.09 % of sodium azide. The controls are prepared by spiking known concentrations of 11-nor-9-THC-9-COOH into the drug-free matrix. cTHC is referenced as an abbreviation for 11-nor-9-THC-9-COOH and it may be referred to simply as THC in the text of this report. The controls contain 37.5 ng/mL and 62.5 ng/mL of cTHC,¿ 10% by GC/MS or LC/MS analysis. Lin Zhi International inc. Sunnyvale, CA 94085 The Cannabinoid Drug of Abuse (DAU) negative and positive controls are used as assay quality control material to monitor the precision of the Lin-Zhi International, Inc. (LZI) Cannabinoid Enzyme Immunoassay (Ref # 0070c) on a number of automated clinical chemistry analyzers.

Published March 19, 2014 · Recall initiated: February 6, 2014