How Does Blood Compatibility Work? Tap to know!

How does Blood Compatibility WorkDonors with type O- blood are universal red cell donors whose donations can be given to people of all blood types. Donors with types AB- and AB+ blood are universal plasma donors, while patients with type AB+ are universal red cell recipients because they can receive red cells from all types. All other donors and recipients must be safely matched, for example:


If you are % of U.S.* You can give to You can receive from**

O+ 38% O+ A+ B+ AB+ O+


O- 7% O+ A+ B+ AB+

O- A- B- AB- O-

A+ 34% A+ AB+ O+ A+

O- A-

A- 6% A+ AB+

A- AB- O- A-

B+ 9% B+ AB+ O+ B+

O- B-

B- 2% B+ AB+

B- AB- O- B-

AB+ 3% AB+ O+ A+ B+ AB+

O- A- B- AB-

AB- 1% AB+

AB- O- A- B- AB-

*Percentages based on U.S. population

**Donation for red cell transfusion