Lymphocyte Subset Panel 1

Test Code

7197

CPT Codes
86355, 86357, 86359, 86360<br><strong>** This test code is not available for 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

Do not freeze. Do not transfer whole blood to M4. Submit the preferred EDTA tubes at room temperature. Volumes less than 1 mL should be submitted in a pediatric EDTA tube.

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)

FDA Status

Setup Schedule

P.M. Sets up 7 days a week.

Report Available

Reports in 2 to 3 days.

Clinical Significance

Immunophenotypic analysis may assist in evaluating cellular immunocompetency in suspected cases of primary and secondary immunodeficiency states.

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.