Immune Cell Function
Also known as: Lymphocyte Stimulation, Cylex® ATP, ImmuKnow®
Use
The Immune Cell Function assay evaluates the functional activity of immune cells in patients, specifically those undergoing transplantation, to assess immune competence or dysfunction. It is restricted to transplant patients and is used to help guide clinical decisions in the transplant setting.
Special Instructions
This test is restricted for transplant facilities only. Prior to ordering, the laboratory must be contacted for special logistics arrangements. The sample must be collected after 6 a.m. if it will not reach the laboratory by the 4 p.m. setup cutoff on the same day, and setup must occur within 30 hours of collection; setup is performed Tuesday through Friday, 11 a.m.–6:30 p.m.
Limitations
Specimens received past the 30‑hour room‑temperature stability window are rejected. Refrigeration or freezing of specimens is unacceptable. The test is limited to transplant patients and requires careful timing of collection and delivery.
Methodology
Other
Biomarkers
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen
Whole Blood
Volume
1 mL
Minimum Volume
0.5 mL
Container
sodium heparin (green‑top) tube
Collection Instructions
Sample must be collected after 6 a.m. if it will not be received by 4 p.m. on the day of setup.
Storage Instructions
Room temperature only; refrigerated and frozen samples are unacceptable.
Causes for Rejection
Samples received beyond the 30 hours stability window, refrigerated or frozen samples.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 30 hours |
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