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Lymphocyte Subset Panel 1
Test Code7197
CPT Codes
86355, 86357, 86359, 86360
Includes
% CD3 (Mature T Cells), Absolute CD3+ Cells, % CD4, Absolute CD4+ Cells, % CD8, Absolute CD8+ Cells, CD4/CD8 Ratio, % CD16+CD56 (NK Cells), Abs NKCell(CD16+CD56+Cell), % 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
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: Uacceptable
Refrigerated: Unacceptable
Frozen: Uacceptable
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 non-New York patient testing. For New York patient testing, use test code 17328.
Setup Schedule
Mon-fri
Report Available
3 days
Reference Range
See Laboratory Report
Clinical Significance
Immunophenotypic analysis may assist in evaluating cellular immunocompetency in suspected cases of primary and secondary immunodeficiency states.
Performing Laboratory
| Quest Diagnostics Greensboro |
| 4380 Federal Drive, Suite 100 |
| Greensboro, NC 27410 |
