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HelpTest Code CD48T Flow Cytometry - CD4/CD8 Ratio Panel
Specimen Requirements
Specimen Type: Blood
Container/Tube: Lavender Top (EDTA)
Volume: 3mL
Minimum Volume: 1.0mL whole blood
Reference Interval
The age-related reference interval will be provided on the report.
Tests included in the panels :
Lymphocytes, Abs (cells/uL)
CD4 T Helper Cells (%)
CD4 T Helper Cells, Abs (cells/uL)
CD8 T Suppressor Cells (%)
CD8 T Suppressor Cells, Abs (cells/uL))
CD4/CD8 Ratio
Days and Times Performed
Tuesday and Thursday ONLY, TAT 5 working days.
Specimens are acceptable from Monday to Thursday.
Specimen must be RECEIVED by Laboratory before 11.00 AM on Tuesdays and Thursdays.
Do not send specimens on Fridays, Saturdays, Sundays, Public Holidays and after 11.00 AM on Tuesdays and Thursdays.
Service Code
12674
Update
Last updated 22/10/2024
Added new test info
Unacceptable Condition
| Haemolysis | NA |
|---|---|
| Icterus | NA |
| Lipaemia | NA |
| Others | Clotted or insufficient reject |
Sample Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
| Specimen Type: | Whole Blood |
|---|---|
| Ambient: | 48 hours |
| Refrigerate: | NA |
| Frozen: | NA |
Testing Laboratory
National University Hospital
Flow Cytometry, 67724016
Useful For
Determining over immunosuppression within the CD8 T-cell compartment, when used on transplant recipients and patients with autoimmune disorders receiving therapy with immunosuppressant agents.
Test Info
This laboratory test has undergone in-house evaluation with appropriate quality assurance and control measures in line with laboratory best practice and accreditation requirements.
Reagent(s) used in this test is/are ordered through HSA’s Special Access Route, which provides interim access without full registration.