CD3/CD19 lymphocyte subpopulation
Determination of the CD3/CD19 cell titer (marker serves as a tool to assess the body's immune response.

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The peripheral blood lymphocyteósubpopulation test is a specialized immunologic test in which the percentage and number of specific lymphocyteópopulations that are indistinguishable in basic blood tests such as morphology or peripheral blood smear.
The test is performed using the method flow cytometry using monoclonal antibodies directed against specific lymphocyteópopulations that are indistinguishable in basic blood tests such as morphology or peripheral blood smear
The test is performed by flow cytometry using monoclonal antibodies directed against characteristic lymphocyteósurface protein (CD) populations. On the basis of the presence or absence of relevant CD markersóit is possible to identify individualólymphocyte subpopulations and determine their percentage and absolute value (number of cellsórecords in a microliter of blood).