ADVIA Centaur BR Assay (50 and 250 tests). An in vitro diagnostic medical device (IVD) Catalogue Numbers: 02419937 (116734) and 03896216 (116735) respectivelySiemens Material Numbers (SMN): 10333349 and 10334837 respectivelyLots ending in 2577 and all future lotsSystems affected: ADVIA Centaur, ADVIA Centaur XP, ADVIA Centaur XPT and ADVIA Centaur CPARTG Number: 175636