To avoid a transfusion reaction, individuals should be transfused with compatible donor blood units.
If ABO-type specific blood is unavailable, other compatible blood groups are chosen as summarized in the following table
Recipient type | A POS Donor type
| A NEG Donor type | B POS Donor type | B NEG Donor type | AB POS Donor type | AB NEG Donor type | O POS Donor type | O NEG Donor type | DONOR TYPE (DT) |
A POS | √ | √ | × | × | × | × | √ | √ |
|
A NEG | × | √ | × | × | × | × | × | √ |
|
B POS | × | × | √ | √ | × | × | √ | √ |
|
B NEG | × | × | × | √ | × | × | × | √ |
|
AB POS | √ | √ | √ | √ | √ | √ | √ | √ |
|
AB NEG | × | √ | × | √ | × | √ | × | √ |
|
O POS | × | × | × | × | × | × | √ | √ |
|
O NEG | × | × | × | × | × | × | × | √ | Universal Donor |