Lymphocyte Subset Panel 1 : 7197

Test Code
LYSUBF or 7197

Alias/See Also

CPT Codes
86359, 86360, 86355, 86357

% 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

Transport Container
Preferred Specimen
5 mL whole blood collected in an EDTA (lavender-top) tube
Minimum Volume
0.5 mL

Transport Temperature
Room temperature.

Specimen Stability
Room temperature: 72 hours; Refrigerated: Unacceptable; Frozen: Unacceptable

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis; Lithium heparin (green-top) tube; ACD (yellow-top) tube; Clotted

Flow Cytometry

Setup Schedule
Tuesday - Saturday

Report Available
2-4 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

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.