The Korean Journal of Blood Transfusion : eISSN 2383-6881 / pISSN 1226-9336
Table. 1.

Donor/recipient HLA match grades (HLA-and –B antigens)8)

GradeInterpretation
AAll 4 donor antigens identical
B1UAll donor antigens identical; only 3 antigens detected in donor
B2UAll donor antigens identical; only 2 antigens detected in donor
B1X3 donor antigens identical; the 4th is cross-reactive with a recipient antigen
B2UX2 donor antigens identical; a 3rd is cross-reactive; only 3 antigens detected in donor
B2X2 donor antigens identical; 2 are cross-reactive
B3UX1 donor antigen identical to, 2 cross-reactive with recipient; only 3 antigens detected in donor
B3X1 donor antigen identical to 1 in recipient; 3 are cross-reactive
B4X4 donor antigens cross-reactive
C1 donor antigen mismatched (not cross-reactive)
The Korean Journal of Blood Transfusion 2015;26:291-9 https://doi.org/10.17945/kjbt.2015.26.3.291
© 2015 The Korean Journal of Blood Transfusion