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Lymphocyte Subset Panel 1
Test CodeLSP1
Quest Code
7197
CPT Codes
86355, 86357, 86359, 86360<br><strong>This test is for non-New York patient testing. For New York patient testing use test code 17328.</strong>
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
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
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)
Setup Schedule
Set up: Daily; Report available: 2-3 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 Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153
Last Updated: February 9, 2023