15 April 2016 (Friday) - Bennett Goodspeed

The Bg blood group system is actually a system of Human Leukocyte Antigens that cause confusing results on serological tests of erythrocytes.

We’ve been having intermittent problems with antibody screening recently; antibody screens clearly weakly positive but panels were clearly negative; the negative results then confirmed by NHSBT.

It transpired that the screening cell in question was Bg(a)+ Bg(b)+. That explains a lot….

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