Substrate buffer used with LIFECODES PAK12 and LIFECODES PF4IgG Kits. An in vitro diagnostic medical device (IVD)Substrate buffer Lot Number: SB092011used with:LIFECODES PAK12Catalog Number: PAK12Kit Lot Number: 101911P12LIFECODES PF4IgG KitsCatalog Number: HAT45GKit Lot Number: 100311H45G