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Collagen Cross-Linked N-Telopeptide (NTx), Urine
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**IMPORTANT: CPT Code is informational only; obtain the Test Code for ordering.
Collagen Cross-Linked N-Telopeptide (NTx), Random Urine
|18-29 Years||12-99 nmol BCE/mmol creat|
|30-59 Years||9-60 nmol BCE/mmol creat|
|Premenopausal||4-64 nmol BCE/mmol creat|
Creatinine, Random, Urine
|≤6 Months||2-32 mg/dL|
|7-11 Months||2-36 mg/dL|
|1-2 Years||2-128 mg/dL|
|3-8 Years||2-149 mg/dL|
|9-12 Years||2-183 mg/dL|
|>12 Years Male||20-370 mg/dL|
|>12 Years Female||20-320 mg/dL|
NTx is useful to assess bone resorption in patients with metabolic bone disease. The test is also useful in monitoring therapy to slow or halt osteoporotic bone loss. A decline of 30% or more of NTx over a six-month period suggests effective therapy.
Collagen Cross-Linked N-Telopeptide,N-Telopeptide or NTx
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
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