The Korean Journal of Blood Transfusion : eISSN 2383-6881 / pISSN 1226-9336

Table. 1.

Table. 1.

Grading of HLA matched platelets

Grade Antigen specificities included
A HLA identical;All four antigens in the donor identical to those of the recipient
B1U All antigens identical;Only three antigens detected in the donor; all present in the recipient
B2U All antigens identical;Only two antigens detected in the donor, both present in the recipient
B1X Three donor antigens identical to the recipient;Fourth cross-reactive with one of those of the recipient
B2UX Only three antigens detected in the donor;Two identical with the recipientThird cross-reactive with one of those of the recipient
B2X Two donor antigens identical to the recipient;Third cross-reactive with one of those of the recipientFourth cross-reactive with one of those of the recipient
C One antigen mismatch, out of CREG
D Two antigen mismatch, out of CREG
Korean J Blood Transfus 2021;32:1-10 https://doi.org/10.17945/kjbt.2021.32.1.1
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