N-Telopeptide, Cross-Linked, Urine NTX
|Method(s)||Quantitative Chemiluminescent Immunoassay|
Urine: 2nd void of the morning or 24 hour collection, refrigerate during collection. Collect without preservative.
1 mL aliquot from a well-mixed, second-morning void or 24-hour collection, frozen. (Min: 0.5 mL)
Ambient: 24 hours; Refrigerated: 1 week; Frozen: 2 years
Samples contaminated with blood or with extensive hemolysis.
|Notes||For monitoring therapy, a baseline sample should be collected prior to initiation of therapy. Subsequent samples for comparison should be collected at the same time of day as the baseline sample.|
|Preferred Specimen Collection Device(s)|