Tag: testing
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The Monocyte Monolayer Assay (MMA)
Most patients have negative results in pretransfusion testing when their serum or plasma is tested for unexpected antibodies to red cells. For most patients with positive red cell antibody screens, the antibody–for example, anti-K or anti-E–is easily identified and antigen-negative blood can be obtained if needed. But some patients have multiple antibodies or antibodies to…
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How to Investigate those Pesky Serologic Weak D Samples
When typing a patient for the RhD antigen, hospitals have been forced to convert a non-binary result into a positive or negative for purposes of entry into the electronic health record as well as for selection of blood products including Rh immune globulin (RhIG). RhD is not unique amongst blood group antigens in demonstrating a…