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Test ID: CD4RT    
CD4 T-Cell Recent Thymic Emigrants (RTE)

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Secondary ID A test code used for billing and in test definitions created prior to November 2011


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


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

Evaluating thymic reconstitution in patients following hematopoietic cell transplantation, chemotherapy, immunomodulatory therapy, and immunosuppression


Evaluating thymic recovery in HIV-positive patients on highly active antiretroviral therapy


Evaluating thymic output in patients with DiGeorge syndrome or other cellular immunodeficiencies


Assessing the naive T-cell compartment in a variety of immunological contexts (autoimmunity, cancer, immunodeficiency, and transplantation)


Identification of thymic remnants postthymectomy for malignant thymoma or as an indicator of relapse of disease (malignant thymoma) or other contexts of thymectomy

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

Flow Cytometry

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

CD4 RTE, Flow Cytometry

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

Acquired Immune Deficiency Syndrome (AIDS)
Immune Competence
Immune Status, Flow Cytometry
Immunodeficiency Panel, Flow Cytometry
Recent Thymic Emigrants (RTE)
RTE (Recent Thymic Emigrants)
CD4 T cell Count, Flow Cytometry
Quantitative CD4 T cells
Severe Combined Immunodeficiency
Cellular Immunodeficiencies
DiGeorge syndrome
Combined immunodeficiencies
Neonatal thymic function