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Lymphocyte Subset Panel 2 (NY)
Test Code17329
CPT Codes
86355, 86359, 86360<br><strong>This test is for New York patient testing. For non-NY patient testing please use test code 36420.</strong>
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 collected in an EDTA (lavender-top) tube
Minimum Volume
0.5 mL
Other Acceptable Specimens
Whole blood collected in a sodium heparin (green-top) tube
Instructions
Maintain the specimen at ambient temperature. DO NOT REFRIGERATE. It is recommended that the sample be drawn shortly before courier pick up and be received within 24 hours.
Transport Temperature
Room temperature
Specimen Stability
EDTA (lavender-top) tube
Room temperature: 30 hours
Refrigerated: Unacceptable
Frozen: Unacceptable
Sodium heparin (green-top) tube
Room temperature: 48 hours
Refrigerated: Unacceptable
Frozen: Unacceptable
Room temperature: 30 hours
Refrigerated: Unacceptable
Frozen: Unacceptable
Sodium heparin (green-top) tube
Room temperature: 48 hours
Refrigerated: Unacceptable
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Lithium heparin (green-top) tube • ACD (yellow-top) tube • clotted • received refrigerated • received frozen
Methodology
Flow Cytometry (FC)
Setup Schedule
Set up: Daily; Report available: 2-3 days
Clinical Significance
T-lymphocyte count assists in evaluating cellular immunocompetency.