What Blood Types Are Compatible

Recipient Blood TypeMatching Donor Blood TypeB+B+, B-, O+, O-B-B-, O-AB+Compatible with all blood typesAB-AB-, A-, B-, O-

What type of blood is not compatible?

The blood types must be compatible to avoid an ABO incompatibility reaction. For example: People with type A blood will react against type B or type AB blood. People with type B blood will react against type A or type AB blood.

Can O Negative donate to O positive?

Type O positive blood is given to patients more than any other blood type, which is why it’s considered the most needed blood type. 38% of the population has O positive blood, making it the most common blood type. … Those with O positive blood can only receive transfusions from O positive or O negative blood types.