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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 or sodium heparin (green-top) tube
Minimum Volume
0.5 mL
Instructions
Blood specimens should be maintained at room temperature during transport. For optimal results specimen should reach the laboratory within 24 hours of collection.
The change reflects the Center for Disease Control and Prevention (CDC) Guidelines and Recommendations for lymphocyte subsets performed by the single-platform method (CDC MMWR Weekly Report, January 31, 2003, Vol.52 No.RR2)
The change reflects the Center for Disease Control and Prevention (CDC) Guidelines and Recommendations for lymphocyte subsets performed by the single-platform method (CDC MMWR Weekly Report, January 31, 2003, Vol.52 No.RR2)
Transport Container
Transport 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?)
Gross hemolysis • Lithium heparin (green-top) tube • ACD (yellow-top) tube • Samples beyond stability • Insufficient volume • Samples transported at >37° C • Received refrigerated • Received frozen
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 |
