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Blood compatibility (reference only)

For orientation only. The hospital and blood bank must confirm the component, testing and crossmatch.

Red cells
PatientCan usually receive from
A+A+, A−, O+, O−
A−A−, O−
B+B+, B−, O+, O−
B−B−, O−
AB+A+, A−, B+, B−, AB+, AB−, O+, O−
AB−AB−, A−, B−, O−
O+O+, O−
O−O−
Plasma (ABO)
PatientCan usually receive from
OO, A, B, AB
AA, AB
BB, AB
ABAB

Platelets

Platelets are ideally the same ABO and RhD group. Blood banks decide based on stock and the patient — ask them before finding donors.