Pretransfusion Testing Immunohematology Review 469
COMPONENT CROSSMATCH? OTHER
RBCs Yes Can be computer xmatch if neg ab screen & no record of previously detected abs.
Plasma No Must be ABO compatible with recipient RBCs.
Cryoprecipitate No All ABO groups acceptable. Rh type not considered.
Platelets No* Any ABO group acceptable. Compatible with recipient RBCs recommended.
ABO-identical preferred.
*For apheresis platelets containing >2 mL RBCs, ABO compatibility & xmatch required.