Expected DAT Results in Autoimmune Hemolysis

DAT Negative Hemolysis

 • DAT Poly ( - ), IgG ( - ), C3d ( - )

WAIHA

 • DAT Poly ( + ), IgG ( + ), C3d ( +/- )

Cold agglutinin disease

 • DAT Poly ( + ), IgG ( - ), C3d ( + )

Drug-associated

 • DAT Poly ( +/- ), IgG ( +/- ), C3d ( +/- )

Paroxysmal cold hemoglobinuria

 • DAT Poly ( + ), IgG ( - ), C3d ( + )



- BWH Medicine Chiefs @BrighamChiefs



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