TNF ALPHA
Tumor Necrosis Factor-Alpha
EPIC Test Procedure Code: LAB3487
Performing Lab:
Referral Laboratory
Container Type:
Plain red top or serum gel tube
Specimen Type:
Serum
Preferred Volume:
1 mL
Minimum Volume:
0.4 mL
Collection Procedure:
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.
Specimen Processing:
1. Transfer the serum into a plastic transport tube.
2. The specimen must be frozen immediately and remain frozen until tested.
3. To avoid delays in turn around time when requesting multiple tests on frozen samples, submit a separate frozen sample for each test requested.
Store and Transport:
Frozen
Stability:
Frozen - 9 days
Unacceptable Condition:
Nonfrozen specimen; nonserum specimen; gross lipemia; gross hemolysis.
CPT Codes:
83520 - Tumor Necrosis Factor-Alpha (EAP 30021206)
Method:
Enzyme-linked immunosorbent assay (ELISA)