13 days
ELISA
Causes for Rejection:
Specimen not serum
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Insulin-like growth factor II (IGF-II) is crucial for fetal development and growth regulation, promoting cell proliferation and tissue growth in utero. Dysregulation of IGF-II expression is associated with certain cancers, as it can lead to uncontrolled cell growth and tumor development.
Serum, frozen
0.5 mL
Gel-barrier tube, red-top tube or transfer tube
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
Transfer the serum into a Labcorp PP transpak frozen purple tube with screw cap (Labcorp No. 49482). Freeze immediately and maintain frozen until tested. To avoid delays in turnaround time when requesting multiple test on frozen specimens, please submit separate frozen specimens for each test requested.
| Temperature | Period |
|---|---|
| Room temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 14 days |
| Freeze/thaw cycle | Stable x6 |