Human lgG4 Subclass Liquid Reagent Kits for use on the Siemens BN"II Analyser Product Code: NK009.T This kit is intended for qualifying human IgG subclasses 1,2,3 and 4 immunoglobulins in serum on the Beckman Coulter AU series. Meaurement of these immunoglobulins ais in the diagnosis of abnormal protein metabolism and the body's lack of ability to resist infectious agents

Reason: Customer complaints identified that samples containing extremely high IgG4 levels exhibit antigen excess and will yield spuriously low IgG4 results.

Code information: All lots.

Distribution pattern: Worldwide Distribution - US including n FL, OH, TN, MN, NW, MI, CA. and Internationally to Canada, France, UK, Spain, Germany, Czech Republic, Belgium, Italy, Australia, Brazil, Chile, China, Costa Rica, Kuwait, New Zealand, Oman, Pakistan, Portugal, Sweded, Taiwan, and Turkey.