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Can AB+ accept any blood type?

Published in Blood Compatibility 2 mins read

Yes, AB+ blood type can accept red blood cells from all blood types.

Understanding AB+ Blood Type

The AB positive (AB+) blood type is often called the “universal recipient” because individuals with this blood type can receive red blood cells from any blood type. This is because their red blood cells have both A and B antigens, and their plasma does not contain any antibodies to A or B antigens. This allows them to safely receive blood from any donor without the risk of a transfusion reaction.

Why AB+ is the Universal Recipient:

  • Antigens: AB+ blood has both A and B antigens on the surface of its red blood cells.
  • Antibodies: AB+ plasma lacks both anti-A and anti-B antibodies.
  • Compatibility: Because of these factors, AB+ blood can receive red blood cells from any of the following blood types:
    • A+
    • A-
    • B+
    • B-
    • O+
    • O-
    • AB+
    • AB-

It's important to note that while AB+ individuals are "universal recipients" of red blood cells, this does not mean they can receive plasma from all blood types. For plasma transfusions, the recipient's blood type is more restrictive.

Blood Type Compatibility Table

This table summarizes the red blood cell compatibility for AB+ recipients:

Recipient Blood Type Compatible Red Blood Cell Donors
AB+ A+, A-, B+, B-, O+, O-, AB+, AB-

As stated in the reference, less than 4% of the U.S. population has AB positive blood. The fact that they are universal recipients highlights the importance of a diverse blood supply.

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