Tumor Necrosis Factor-Alpha, Body Fluid or CSF


Sunquest Code:TNF1AN  
Epic Code:LAB6630Epic Name:Tumor Necrosis Factor Body Fluid or CSF
Synonyms:Cytokines; TNFa; TNF-Alpha; Tumor Necrosis Factor Alpha
Methodology:Enzyme linked immunosorbent assay
CPT Code:83520
Turnaround Time:Performed Mon-Fri; results are reported wtihin 5 working days.
Compliance:

This test has not been FDA approved. The results are to be used for research purposes or in attempts to understand the pathophysiology of immune, infectious or inflammatory disorders and not intended as the sole means for clinical diagnosis or patient management.



Collection Instructions

Specimen:Body Fluid or CSF
Optimal Volume:2 mL
Minimum\Peds Volume:1 mL
Container:Sterile tube (Plastic leakproof container, sterile)
Causes for Rejection:Gross hemolysis; stored at room temperature greater than 2 hours.


Processing and Shipping

Specimen Processing:

If contaminated with red blood cells, centrifuge for 15 minutes at 1000-1500 g (rcf) at room temperature.

 

Aliquot into two vials with 250 uL per vial. Freeze immediately at ≤20°C (-70°C preferred). Contact Cytokine Lab if there is adequate sample for only one vial.

 

Shipping Instructions:Ship on dry ice.
Test Performed at or Referral Lab Lab Sendouts  (UMCytokine)


Interpretive

Reference Range:Reference range not established.


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