N-Telopeptide, Collagen Cross-linked N-Telopeptide, NTx Test, Osteomark®
8 days
Ortho Vitros Enhanced Chemiluminescence System
Accredited Laboratory Partner
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Marker of bone resorption. Elevated in osteoporosis and bone metastasis.
24 hour urine
20 mL
Transfer tube, no preservative
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.
Collect a second void of the morning (no preservative). When monitoring therapy, baseline samples should be collected prior to initiation of therapy. Subsequent specimens should be collected at the same time of day as baseline specimens.
| Temperature | Period |
|---|---|
| Room temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 14 days |