Tumor Necrosis Factor Alpha
Order Name
TNF
Test Number: 3657715
Revision Date 12/12/2022
Test Number: 3657715
Revision Date 12/12/2022
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Tumor Necrosis Factor Alpha
|
Enzyme-Linked Immunosorbent Assay (ELISA) | 3074-2 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 1 mL (0.4) | Serum | Clot Activator SST | Frozen |
| Alternate 1 | 1 mL (0.4) | Serum | Clot Activator (Red Top, No-Gel) | Frozen |
| Instructions | Notes: 0.4 mL (Note: This volume Does NOT allow for repeat testing.) Specimen Type: Red-top tube or gel-barrier tube Specimen Storage: FREEZE Specimen Collection: Allow blood sample collected in serum separator tube to clot at room temperature for 30 minutes prior to centrifugation. Allowing samples to sit on the clot for more than 30 minutes may result in higher TNF-alpha levels. Transfer the serum into a LabCorp PP transpak frozen purple tube with screw cap LabCorp ID 23751). The specimen should be FROZEN immediately and maintained FROZEN until tested. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested. Specimen Stability: Ambient: Not Available, Refrigerated : Not Available, Frozen: 9 days |
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| GENERAL INFORMATION | |
|---|---|
| Expected TAT | 3 - 7 days |
| Notes | Labcorp Test Code: 140673 |
| CPT Code(s) | 83520 |
| Service Provided By |  |
| Lab Section | Reference Lab |