Transferrin Receptor
7 days
Immunochemiluminometric assay (ICMA)
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Reflects iron status and erythropoiesis. Elevated in iron deficiency.
Serum or Plasma
0.5 mL
Red-top tube, green-top (heparin) tube, or lavender-top (EDTA) 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.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Room temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 14 days |
| Freeze/thaw cycles | Stable x3 |