diaDexus is a biotechnology company located in South San Francisco, California focused on the discovery, development and commercialization of novel diagnostic and therapeutic products with high clinical value. The Company’s lead product, the PLAC test, an approved and marketed product, is a blood test that measures serum concentration of lipoprotein-associated phospholipase A2 (Lp-PLA2). An elevated level of Lp-PLA2 has been identified and proven to be a significant risk factor for both coronary artery disease and ischemic stroke.

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