HLA mismatch

HLA mismatch

The nonmatching of HLA antigen in recipients of renal and other allografts. See Transplantation. Cf HLA match.

HLA mismatch

, human leukocyte antigen mismatchThe number of human leukocyte antigens (HLAs) found on the cells of a donor organ but not found on the cells of the organ recipient. The greater the disparity between the antigens, the lower the probability of a successful transplantation.