cross matching

verb (used with object)

1. to match (related items from two or more lists or groups).
2. Medicine/Medical. to subject (blood) to cross matching.

noun Medicine/Medical.

1. the testing for compatibility of a donor’s and a recipient’s blood prior to transfusion, in which serum of each is mixed with red blood cells of the other and observed for hemagglutination.

verb

1. immunol to test the compatibility of (a donor’s and recipient’s blood) by checking that the red cells of each do not agglutinate in the other’s serum

n.

1. A test for determining the compatibility between the blood of a donor and that of a recipient before transfusion; the clumping of red blood cells indicates incompatibility.
2. A test for determining tissue compatibility between a transplant donor and the recipient before transplantation, in which the recipient’s serum is tested for antibodies that may react with the lymphocytes or other cells of the donor.
3. The process of performing one of these tests.