Tumor Necrosis Factor-Alpha, Highly Sensitive
Test code
CPT code(s)*
Test resources
Please visit our Clinical Education Center to stay informed on any future publications, webinars, or other education opportunities.
Details
Methodology
Immunoassay (IA)
Assay category
This test was performed using a kit that has not been cleared or approved by the FDA. The analytical performance characteristics of this test have been determined by Quest Diagnostics. This test should not be used for diagnosis without confirmation by other medically established means.
Alternative name(s)
Cachectin,TNF Alpha HS,Cytokine, TNF Alpha HS
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 1 mL serum collected in a red-top tube (no gel) |
| Minimum volume | 0.5 mL |
| Collection 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 12x75 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 container | Transport tube |
| Transport temperature | Frozen |
| Specimen stability | Room temperature: Unacceptable Refrigerated: Unacceptable Frozen: 9 months |
| Reject criteria | Gross hemolysis • Grossly lipemic • Serum separator tube (SST) • Grossly icteric |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
The tests listed by specialty and category are a select group of tests offered. For a complete list of Quest Diagnostics tests, please adjust the filter options chosen, or refer to our Directory of Services.