This issue of Clinics in Laboratory Medicine, Guest Edited by Mark Yazer, MD, on the topic of Blood Transfusion will include the following article topics: Xenotransfusion; FDA Perspective; Inflammatory Cytokines as Predictors of Alloimmunization; Cryopreservation of RBCs, PLT and Stem Cells; PLT Storage Lesion; Future of Blood Management; Future of Molecular Testing for RBC Antigens: ECO Cells; Farmed RBCs; Farming RBCs from Stem Cells; Politics and Blood Transfusion; and Fetal Blood Grouping from Maternal Plasma.