Lymphocyte Subset Panel 2 (NY)

Test Code

17329

CPT Codes
86355, 86359, 86360<br>This test is not available for non-New York patient testing. For non-New York patient testing please use test code 36420

Includes

Absolute Lymphocytes, Absolute CD3+ Cells, % CD3 (Mature T Cells), Absolute CD4+ Cells, % CD4, Absolute CD8+ Cells, % CD8, Absolute CD19+ Cells, % CD19 (B Cells), CD4/CD8 Ratio

Preferred Specimen

5 mL whole blood collected in an EDTA (lavender-top) tube

Minimum Volume

0.5 mL

Other Acceptable Specimens

Whole blood collected in: sodium heparin (green-top) tube

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

EDTA whole blood
Room temperature: 30 hours
Refrigerated: Unacceptable
Frozen: Unacceptable

Heparin whole blood
Room temperature: 48 hours
Refrigerated: Unacceptable
Frozen: Unacceptable

Methodology
Flow Cytometry (FC)

Setup Schedule

Set up: Daily; Report available: 2-3 days

Reference Range

See Laboratory Report

Clinical Significance

T-lymphocyte count assists in evaluating cellular immunocompetency.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

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.