FGF-23 C-Terminal Fragment
14 days
Enzyme-linked immunosorbent assay (ELISA)14 This test is a second-generation C-terminal assay that measures both the intact FGF-23 and its C-terminal fragments.14
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Regulates phosphate and vitamin D metabolism. Elevated in tumor-induced osteomalacia.
Plasma
1 mL
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 |
|---|---|
| Refrigerated | 14 days |
| Frozen | 14 days |