These tests are done to select blood components that will have acceptable survival when transfused and to prevent possible transplant and transfusion reactions; to identify potential problems, such as hemolytic disease of newborns and the need for intrauterine transfusion; and to determine parentage. Immunohematology testing identifies highly reactive antigens on blood cells and their antibodies possibly present in serum. See Chart 8.1 for general procedures for blood donation.
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