Specimen Requirements

Title

CD4 (LYMPHOCYTE SUBSET PANEL/T4 HELPER CELLS)

Specimen Requirement

5.0 mL lavender EDTA, whole blood.

Maintain at room temperature. Do not refrigerate. Ship same day as drawn.

DRAW MONDAY-THURSDAY *ONLY*

Methodology

Flow Cytometry (FC)

Stability

Room Temp: 72 hours

Reference Range

By Report*

Turnaround

2-3 days

Clinical Use

Used to measure CD4+ T cells (CD4) in the blood (absolute CD4 cell count, %CD4, absolute lymphocytes). The CD4+ T-cell (CD4) count is the most valuable indicator of immune status in HIV-infected individuals. This panel can be used to establish a baseline CD4 level and to monitor treatment progress.

Test Code

CD4Q