Test Catalog

Test ID: TBNY    
T, B and NK Lymphocyte Quantitation, New York, Blood

Useful For Suggests clinical disorders or settings where the test may be helpful

Only orderable by New York clients


Serial monitoring of CD4 T-cell count in HIV-positive patients


Follow-up and diagnostic evaluation of primary immunodeficiencies, including severe combined immunodeficiency


Immune monitoring following immunosuppressive therapy for transplantation, autoimmunity, and other immunological conditions where such treatment is utilized


Assessment of immune reconstitution posthematopoietic cell transplantation


Early screening of gross quantitative anomalies in lymphocyte subsets in infection or malignancies


Absolute quantitation of circulating B cells for diagnosis of chronic lymphocytic leukemia patients as indicated in the 2008 International Workshop on Chronic Lymphocytic Leukemia guidelines

Method Name A short description of the method used to perform the test

Fluorescent Flow Cytometry

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

T, B and NK Lymphocyte QN, New York

Aliases Lists additional common names for a test, as an aid in searching

AIDS (Acquired Immune Deficiency Syndrome)
CD4 Count, Flow Cytometry
Helper Suppressor Ratio
Immune Competence
Immune Status, Flow Cytometry
Immunodeficiency Panel, Flow Cytometry
Immunophenotyping -- CD4 Count, Flow Cytometry
Lymphocyte Surface Marker Assay
Suppressor Helper Ratio
Suppressor Lymphocyte Ratio
T- and B-Cell Surface Markers: Quant of Abslt Cts w/Submtd Wt Ct & Diff
T-Helper/T-Suppressor Ratio
T4/T8 Helper Suppressor Ratio
T and B Lymphocyte Surface Marker
T and B-Cell Surface Markers: Quant of Abslt Cts w/Submitted Wt Ct & Diff
T and B-Cell Surface Markers: T-Helper/T-Suppressor, Flow Cytometry
QN Lymphocyte Subsets: T, B, and NK