•Collagen Cross-linked N-Telopeptide
Evaluation of osteoporosis and assessment of antiresorptive therapy
Plastic urine container without preservative
Collect a second void of the morning or an aliquot of a 24-hour urine (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.
Quantity not sufficient for analysis; whole blood contamination; hemolysis; specimen containing preservative.