 Hematopoietic cells from NMDP donors or cord blood units are used to transplant patients with a variety of blood, bone marrow or immune system disorders.As of September 2016, the NMDP had facilitated more than 80,000 transplants worldwide.The NMDP coordinates the collection of hematopoietic ("blood-forming") cells that are used to perform what used to be called bone marrow transplants, but are now more properly called hematopoietic cell transplants.