What blood types can donate to AB negative?

AB, Rh negative recipients may be transfused AB, Rh negative whole blood (rarely used in modern transfusion medicine), any ABO, Rh negative red cells, any ABO, Rh negative platelets (with volume reduction of residual incompatible plasma if the requesting physician is concerned) and only AB fresh frozen plasma. Rh positive cellular blood products may be give to an AB negative recipient IF there are no available Rh negative components, immediate transfusion is required AND there is no preexisting Anti-D (RH) antibodies present in the patients plasma.