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Lymphocyte Subset - T-Cell Subsets % and Absolute, Whole Blood

Mnemonic:    [T Cells]
Name:    Lymphocyte Subset - T-Cell Subsets % and Absolute, Whole Blood
Specimen:    4 mL EDTA Lavender top tube. Send to lab ASAP. Pour off tubes are no longer accepted. Hemogard tubes are preferred at ARUP.

Clotted, hemolyzed, refrigerated or frozen specimens are not acceptable.

Specimens must be analyzed within 72 hours of collection in EDTA or within 48 hours of collection in heparin. Some medications may affect immunophenotyping results and should be listed on the patient test request form.
Minimum Spec:    0.5 mL
Transport Temp:    Store and transport sample at Room Temperature.
Spec Stability:    Stable 2 days ambient.
Ref Lab/Code:    ARUP 0095950
  Method:    Flow Cytometry
Note:    Components:
% and Absolute CD4 (Helper T-cells)
% and Absolute CD8 (Suppressor T-cells
% and Absolute CD3 (Total T-cells)
CD4:CD8 ratio
Processing Info:    If possible, collect the samples in the AM to make the daily courier departure.