A patient received 2 units of red blood cells and had a dela…

A patient received 2 units of red blood cells and had a delayed transfusion reaction. Pretransfusion antibody screening records indicate no agglutination except after the addition of check cells. Repeat testing of the pretransfusion specimen detected an antibody at the antiglobulin phase. What is the most likely explanation for the original results?

A request for a transfusion was sent to the Transfusion Serv…

A request for a transfusion was sent to the Transfusion Service with the following information: Request: 2 units of red cells; Patient:Mary Jones, Room 136A Which of the following pieces of information is needed in order to comply with AABB standards for positive recipient identification?