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Test ID: TBBS    
Quantitative Lymphocyte Subsets: T, B, and Natural Killer [NK] Cells, Blood

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

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 post hematopoietic 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

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

See Newborn Screen Follow-up for Severe Combined Immunodeficiency Syndrome (SCID) in Special Instructions.

Special Instructions Library of PDFs including pertinent information and forms related to the test

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

Flow Cytometry

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

Yes

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

QN Lymphocyte Subsets: T, B, and NK

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

AIDS (Acquired Immune Deficiency Syndrome)
B Cell
B-Cell
CD19 Count, Flow Cytometry
CD3 Count, Flow Cytometry
CD4 Count, Flow Cytometry
CD56 Count, Flow Cytometry
CD8 Count, Flow Cytometry
Flow Cytometry, T- and B- Cells
Helper Suppressor Ratio
Immune Competence
Immune Status, Flow Cytometry
Immunodeficiency Panel, Flow Cytometry
Immunophenotyping -- CD4 Count, Flow Cytometry
Lymphocyte Surface Marker Assay
Quantitative CD4 and CD8
Suppressor Helper Ratio
T and B Cells
T Cell
T-Cell
T-Helper/T-Suppressor Ratio
T4/T8 Helper Suppressor Ratio
B and T Lymphocyte Surface Marker
T and B Lymphocyte Surface Marker
T and B-Cell Surface Markers: T-Helper/T-Suppressor, Flow Cytometry
Lymphocyte Enumeration
Lymphocyte Subset Enumeration
Severe Combined Immunodeficiency (SCID)
NK
Natural Killer Cells
NK cell quantitation
Total NK cells
QN Lymphocyte Subsets: T, B, and NK