HLA Test Law and Legal Definition
The HLA test is a paternity test which involves the drawing of blood and the typing of tissues. It is a new test which is performed on white blood cells. It is essentially a tissue-typing test which can be performed on, for example, lymph or spleen tissues as well as white blood cells. The HLA test was developed and used primarily in organ transplanting to determine if organs from a donor would be accepted or rejected by the possible recipient. The accuracy of HLA testing alone for determining a probability of paternity generally is 78-80%. Used as it was here in conjunction with red blood cell testing, the level of accuracy is over 90%. [Carlyon v. Weeks, 387 So. 2d 465, 466 (Fla. 1st DCA 1980)].
The HLA test is also known as human leukocyte antigen test, HLA typing or tissue typing. The HLA antigens of the mother, child, and alleged father can be compared. When an HLA antigen of the child cannot be attributed to the mother or the alleged father, then it means that the latter is not the child’s father.
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