Measurement of the number of lymphocytes expressing a surface antigen recognised by R73 in a specified volume of whole blood. R73 is a monoclonal antibody that appears to be specific for a constant determinant of the rat alpha/beta heterodimeric T cell receptor.
blood regulatory T cell count +
blood RT6.1 cell count +
blood RT6.2 cell count
blood T lymphocyte count to total leukocyte count ratio
blood T lymphocyte count to total lymphocyte count ratio +