86255:TUMOR NECROSIS FACTOR – ALPHA
Author PeaceHealth Laboratories
 Print View Attached Docs: |
| Methodology: |
Multi-Analyte Fluorescence Detection |
| Edit Date: |
6/2/2009 |
| Performed: |
Monday, Wednesday, Friday |
| Released: |
1-4 days after setup at PeaceHealth Laboratories’ reference lab. |
| CPT Code: |
83520-90 |
| Specimen Collection Details |
| Collection: |
One 7.5 mL serum separator tube (SST). Also acceptable: 10 mL green top tube (lithium heparin). |
| Handling: |
Allow to clot, centrifuge and immediately separate serum or plasma from cells and pour into a plastic vial. Freeze. Critical frozen. Allow no more than one freeze/thaw cycle. If multiple tests are ordered, submit separate specimens for those tests. |
| Stability: |
After separation from cells: 30 minutes ambient, or 1 year frozen. Unstable refrigerated. |
| Standard Volume: |
1 mL serum or plasma. |
| Minimum Volume: |
300 µL serum or plasma. |
| Transport: |
Frozen on dry ice. |
| Comments: |
Elevated levels are seen in septic shock as well as in the CSF of meningitis and other central nervous system processes such as multiple sclerosis. |
| Rejection Criteria: |
Heat-activated, refrigerated, or contaminated specimen. |