To determine the ABO type, known antisera are mixed with patient RBCs, and known red cells are mixed with patient serum.

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The page below is a sample from the LabCE course Introduction to the ABO Blood Group System. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

Learn more about Introduction to the ABO Blood Group System (online CE course)

To determine the ABO type, known antisera are mixed with patient RBCs, and known red cells are mixed with patient serum.

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