Five customer complaints were received ((b)(4)) describing pak12 lot 3002648 is generating invalid assays due to high negative control values.Per the pak12 ifu, the average negative control values for the gpiib/iiia rows must be = 0.175 od.An investigation was performed which included testing negative control (lot 3002552) and the pak12 kit (lot 3002648).The investigation test results confirmed increases in negative control od values occurred.Investigation testing ruled out the negative control material (nc lot 3002552).Further investigation and review was performed to identify a probable root cause.The investigation and review led to the probable root cause being a manufacturing event which affected the plates (microwell strips).The event is specific to one lot of manufactured product, pak12 lot 3002648.Kits distributed from this lot of product were not distributed in the us.Kits distributed from this lot of product were distributed in the (b)(4).
|