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Lymphocyte Subset Panel 3 (NY)
Test Code17330
CPT Codes
86360, 86359
Includes
% CD3 (Mature T Cells), Absolute CD3+ Cells, % CD4, Absolute CD4+ Cells, % CD8, Absolute CD8+ Cells, CD4/CD8 Ratio, Absolute Lymphocytes
Preferred Specimen
5 mL whole blood collected in an EDTA (lavender-top) tube
Minimum Volume
0.5 mL
Other Acceptable Specimens
Sodium heparin (green-top) tube
Instructions
Maintain the specimen at room temperature. It is recommended that the sample be drawn shortly before courier pick-up and be received within 24 hours.
Transport Container
EDTA (lavender-top) tube
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
Methodology
Flow Cytometry (FC)
FDA Status
This test code is for New York patient testing. For non-New York patient testing, use test code 7195.
Setup Schedule
Daily
Report Available
4-6 days
Reference Range
See Laboratory Report
Clinical Significance
T-lymphocyte count assists in evaluating cellular immunocompetency.
Performing Laboratory
| Quest Diagnostics Nichols Institute-Chantilly VA |
| 14225 Newbrook Drive |
| Chantilly, VA 20151-2228 |
