ABO incompatibility

ABO Incompatibility

A type of blood incompatibility in which recipients—e.g., those with genotypes AO, BO, OO—of donated blood products, usually understood to mean packed red cells, have antibodies to antigens A or B on the surface of red cells being transfused.

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ABO incompatibility

Transfusion medicine A type of blood incompatibility, in which certain recipients–eg genotypes AO, BO, OO of donated blood products-usually understood to mean packed RBCs, has antibodies to antigens–A or B on the surface of RBCs being transfused. See ABO system.

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