N-telopeptide, cross-linked

Test/Range/Collection

N -telopeptide, cross-linked (NTx), urine

Adults: 20–100 units

7–17 years old: 20–700 units

(NTx Units = nmol Bone Collagen Equivalents/mmol creatinine or nM BCE/mM creatinine)

(age-specific and laboratory-specific)

24-hour urine. Collect without preservative.

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