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Lymphocyte Subset Panel 2
Test CodeLYMSP2 or 36420
Alias/See Also
Flow
CPT Codes
86355, 86359, 86360
Includes
% CD3 (Mature T Cells), Absolute CD3+ Cells, % CD4, Absolute CD4+ Cells, % CD8, Absolute CD8+ Cells, CD4/CD8 Ratio, % CD19 (B Cells), Absolute CD19+ Cells, Absolute Lymphocytes
Preferred Specimen
5 mL whole blood collect in an EDTA (lavender-top) tube
Minimum Volume
0.5 mL
Instructions
If a CBC is also required, a separate EDTA (lavender-top) tube must be submitted.
Transport Container
5 mL (or 3 mL pediatric) EDTA (lavender-top) tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 72 hours
Refrigerated: Unacceptable
Frozen: Unacceptable
Refrigerated: Unacceptable
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Lithium heparin (green-top) tube • ACD (yellow-top) tube • Clotted
Methodology
Flow Cytometry
Setup Schedule
Daily
Report Available
2-3 days
Reference Range
See Laboratory Report
Clinical Significance
T-lymphocyte count assists in evaluating cellular immunocompetency.
Performing Laboratory
medfusion
