Glossary: Reverse Grouping

Glossary Reverse Grouping In ABO grouping, the testing of the patient’s serum or plasma against, at minimum, A1 and B reagent RBCs (the process is also known as “serum grouping” or the slang term “back typing”). The interpretation of this...

Glossary: Major Crossmatch

Glossary Major Crossmatch A “major” crossmatch is the last test used to assess the compatibility of a donor’s red blood cells with the recipient’s plasma. Note that a crossmatch is generally the last step performed in pretransfusion testing,...

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