Siemens Chek-Stix Combo Pak (Distributed OUS only) Catalog Number: 1364M Chek-Stix¿ Positive and Negative Control Strips for Urine Chemistry: When used with Siemens reagent strips and tablets for urinalysis, CHEK-STIX¿ positive and negative control strips provide defined results for glucose, bilirubin, ketone (acetoacetic acid), specific gravity, blood, pH, protein, urobilinogin, nitrite, and leukocytes

Reason: When these lots of control material are reconstituted, the positive control solution leukocyte result may become negative if the solution is held for more than two hours above 25¿C (77¿F).

Code information: Carton/Bottle Lot Number: CP0099091B P0099091B C0100101G P0100101G C0103042E P0103042E

Distribution pattern: Worldwide Distribution - USA (nationwide) and internationally to Canada, Aruba, Brazil, Denmark, India, Mexico, New Zealand, Singapore,Thailand, Bahamas, South Wales, and Hong Kong,