Casandra
Casandra Test Code QD10528Version 1 (DRAFT)
Performing Lab
Lab Quest DiagnosticsLab Test ID 7924
Lymphocyte Subset Panel 4
Also known as: Flow
Clinical Use
Order TestUse
Not explicitly provided in the rendered content; context suggests evaluation of helper and suppressor T‑cell immune function (CD4, CD8, CD4/CD8 ratio, total lymphocytes).
Special Instructions
If a CBC is also required, a separate EDTA (lavender‑top) tube must be submitted.
Limitations
Not provided.
Test Details
Methodology
Cell‑based / Cytometry (Flow Cytometry)
Biomarkers
6 targets
% CD4% CD8Absolute CD4+ CellsAbsolute CD8+ CellsAbsolute LymphocytesCD4/CD8 Ratio
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Whole Blood
Volume
5 mL whole blood
Minimum Volume
Not provided
Container
EDTA (lavender‑top) tube
Collection Instructions
If a CBC is also required, a separate EDTA (lavender‑top) tube must be submitted.
Causes for Rejection
Lithium heparin (green‑top) tube; ACD (yellow‑top) tube; clotted specimen
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 72 hours |
| Refrigerated | Unacceptable |
| Frozen | Unacceptable |