Tumor Necrosis Factor - alpha, Plasma
Also known as: TNFA PLA
Use
This test is primarily used for research and to support attempts to understand the pathogenesis of immune, infectious, allergic, or inflammatory disorders. The results can help in comprehending the pathophysiology of these conditions or may be utilized for research purposes.
Special Instructions
Cytokine levels may demonstrate diurnal variation. For longitudinal comparison, it is recommended that cytokine levels be determined at the same time of day.
Limitations
The test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration but is performed in a CLIA certified laboratory and is intended for clinical purposes. The methodology may have limitations in terms of sensitivity and specificity depending on the context of use and the nature of cytokine variations across different times and conditions.
New York Approved
Methodology
Immunoassay (Multiplex Protein Panel)
Biomarkers
LOINC Codes
- 3074-2
Result Turnaround Time
1-4 days
Related Documents
For more information, please review the documents below
Specimen
Plasma
Volume
1 mL
Minimum Volume
0.4 mL
Container
ARUP Standard Transport Tube
Collection Instructions
Collect in Green (lithium heparin). Separate plasma from cells ASAP or within 2 hours of collection. Transfer to an ARUP Standard Transport Tube.
Storage Instructions
CRITICAL FROZEN. Ship in ARUP Standard Transport Tube. Unacceptable if refrigerated or heat-inactivated.
Causes for Rejection
Refrigerated or contaminated specimens, and heat-inactivated specimens.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 30 minutes |
| Refrigerated | Unacceptable |
| Frozen | 1 year |