CPT/HCPCS
83520
Order Code
CH702
Turnaround Time
10 days
Test Includes
Tumor Necrosis Factor (TNF)
Specimen Requirements
Specimen Source
Serum (no gel)
Transport Container
(Specimen Container)
(Specimen Container)
Red Top (No additive)
Preferred Specimens
Serum (no gel)
Minimum Volume (uL)
0.5 mL
Collection Instructions
(Transport Temperature)
(Transport Temperature)
Transport Frozen
Specimen Stability
| Temperature | Period |
|---|---|
| Room temperature | Unacceptable |
| Refrigerated | Unacceptable |
| Frozen | 9 months |
Reject Criteria
Gross hemolysis
Grossly lipemic
Serum Separator Tube (SST®)
Grossly icteric
Special Instructions
Collect blood in a red-top tube (no gel). Allow blood to clot (10-15 minutes) at room temperature. Centrifuge and separate the serum from the cells. Transfer the serum to a clean 12×75 mm tube. Freeze as soon as possible.
Note: Cytokine levels may demonstrate diurnal variation. Recommend cytokine levels be determined at the same time of day for improved longitudinal comparison. Transport Frozen.
Test Details
Methodology
Immunoassay (IA)_x000D_
Clinical Significance
Tumor Necrosis Factor-Alpha, Highly Sensitive – Test is for research use only, and is for use in patients previously diagnosed with T-cell lymphoma.
Reference Ranges
0.56-1.40 pg/mL
