Anti-Kell
Antibody formed against a glycoprotein antigen from a clinically important (strongly immunogenic) blood group system. Antibodies to Kell antigens can be associated with hemolytic disease of the fetus and newborn (HDFN) as well as hemolytic transfusion reactions (HTRs). It is present on the red blood cells of ~9% of white, ~2% of black and rare in East Asian patients.