Test Details

Mnemonic

NTXUR

Ordering Code

3715700

CPT-4 Code(s)

82523, 82570

Specimen Information

Collect

Random urine (no preservative)
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Specimen Preparation

Collect random urine from second morning void. Mix well and send 2.0 mL unpreserved urine frozen in a screw capped plastic urine container.
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Minimum Volume

1.0 mL
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Transport Temperature

Frozen
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Rejection Criteria

Urine with preservatives
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Stability

Room temperature: 72 hours
Refrigerated: 5 days
Frozen: 30 days
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Methodology

Chemiluminescence
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Reference Range

N-Telopeptides/Creatinine
Male:
0-17 years: Not established
18-29 years: 12-99 nM BCE/mM creat
30-59 years: 9-60 nM BCE/mM creat
>59 years: Not established
Female:
Premenopausal: 4-64 nM BCE/mM creat
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Performing Laboratory

Quest Valencia
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