Blood Component ABO Compatibility Chart

Patient's ABO Group	Compatible Red Blood Cells (RBCs)	Compatible Plasma
Group O	Group O	Group O, A, B, AB
Group A	Group A and O	Group A and AB
Group B	Group B and O	Group B, AB
Group AB	Group O, A, B, AB	Group AB
Platelet ABO Compatibility: While the same ABO as the patient is the first choice, any ABO type component may be used. Cryoprecipitate ABO Compatibility While the same ABO as the patient is the first choice; any ABO type component may be used.

Rh Compatibility - ONLY APPLIES TO RED BLOOD CELLS AND PLATELETS

Rh + patients	Can receive either Rh+ or Rh - components
Rh - patients	Will preferably receive Rh - components Note: Rh + may be given as warranted per blood bank inventory