The American Society for Apheresis (ASFA) is an organization of physicians, scientists, nurses, and allied health professionals whose mission is to advance apheresis medicine for patients, donors and practitioners through education, evidence-based practice, research and advocacy. ASFA represents a broad range of health care professionals involved in apheresis medicine including those practicing pathology, transplantation, hematology, oncology, neurology, rheumatology, nephrology, hepatology, gastroenterology, cardiology, and ophthamology. These health care providers are involved in the performance of therapeutic apheresis procedures including plasma exchange, red cell exchange, leukocytapheresis, plateletapheresis, photopheresis, LDL apheresis, and hematopoietic progenitor cell collection.