Lymphocyte Subset Panel 3 : 7195

Test Code
TCELLF or 7195

Alias/See Also

CPT Codes
86359, 86360

 % CD3 (Mature T Cells), Absolute CD3+ Cells, % CD4, Absolute CD4+ Cells, % CD8, Absolute CD8+ Cells, CD4/CD8 Ratio, 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
 T-lymphocyte count assists in evaluating cellular immunocompetency.

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.