NEOBASE NON-DERIVATIZED MSMS KIT Product Number: 3040-001U. This tandem mass spectrometry (MSMS) reagent kit is intended for the measurement and evaluation of amino acids, succinylacetone, free carnitine, and acylcarnitine concentrations from newborn heel prick blood samples dried on filter paper. Quantitative analysis of these analytes ) and their relationship with each other is intended to provide analyte concentration profiles that may aid in screening newborns for metabolic disorders.

Truncated V-Bottomed Microplate Wells used in assays contain defective wells.

Perkin Elmer initiated the recall on November 23, 2012. The Recall Letter will be delivered to the end customer by email facilitated through our PerkinElmer Technical Support group located in Akron Ohio. Technical Support will be asked to make sure the customers receive the Recall Letter and implement the recommended precautions: - Inspect the wells of row A and row H of the affected microplate lots for possible holes and cracks prior to use. - If a hole or crack is visually detected in a well of the microplate, the well should not be used for testing. - If a hole or crack is not visually detected in a well of the plate, it is required during use of the well, the volume of solution in the well should be visually confirmed to be consistent before and after incubation. Please contact PerkinEimer Technical Support for further information (800) 321 -9632, select prompt 2.