major crossmatch

major crossmatch

The testing of a recipient’s serum against potential donor red cells to detect ABO incompatibility and other major antibodies.

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crossmatch

Serologic crossmatch Transfusion medicine An agglutination test that determines donor-recipient blood compatibility. See Electronic crossmatch, Immediate spin crossmatch, Major crossmatch, Minor crossmatch.

Crossmatch

Major crossmatch Patient serum–which may contain antibodies is cross-reacted against the donor's red cells and

Minor crossmatch Patient RBCs are incubated with donor serum, this is of less clinical significance; it reveals donor antibodies against uncommon antigens–eg C^w, -Wr^a, -Li^a 

McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.