N-Telopeptides with Creatinine

• CPT Code: 82523
• LOINC:
• Specimen Type: 24 hour urine
• Frequency: Setup: Mon-Fri; analytic time 1 day
• Instructions: 4.0mL urine from 24hr collection. Ref. during collection and freeze aliquot. Second-morning voided or random specimen is also acceptable.
• Text: Useful for: ID individuals with osteoporosis with elevated bone turnover and consequent increased risk for rapid disease progression; Prediction of bone densitometry response to antiresorptive therapy of osteoporosis; Monitoring and assessing effectiveness of therapy in patients treated for osteopenia, osteoporosis, Paget's disease, etc. Components: Z0643 Creatinine, U; Z0644 NTX; Z0645 NTX-Telopeptide, U.
• Methodology: Vitros ECi Competitive Assay, Enzymatic Colorimetric Assay.