Lymphocyte Subset Panel 1

Test Code

LSPFC

Alias/See Also

Epic: LAB3245
Quest: 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 Container

Send whole blood specimen in original tube. Do not aliquot.

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 72 hours
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: September 29, 2023
Last Review: N. Wolford, May 25, 2023

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.