Collagen Cross-Linked N-Telopeptide (NTx), Urine QCCNTX

Method(s) Chemiluminescence (CL)
Synonym Collagen Cross-Linked N-Telopeptide or NTx
Components Creatinine
Specimen Required
Collect

Random urine.

Also acceptable: Unpreserved random urine, unpreserved catheterized urine, unpreserved first void clean catch urine

Transport

2 mL unpreserved urine collected from second morning void refrigerated (Min: 1 mL)

Stability

Ambient: 72 hours

Refrigerated: 5 days

Frozen: 30 days

Unacceptable Conditions
  • Acidified specimen
  • Preserved specimen
Schedule Mon-Sat
CPTCode 36167
Notes Performing Laboratory-Quest Diagnostics-Chantilly VA
Preferred Specimen Collection Device(s)
Reference Interval
 
Collagen Cross-Linked N-Telopeptide (NTx), Random Urine
Male 
18-29 Years12-99 nM BCE/mM creat
30-59 Years9-60 nM BCE/mM creat
Female 
Premenopausal4-64 nM BCE/mM creat

Results are primarily used for monitoring the response to therapy. A value within the premenopausal reference range does not rule out osteoporosis nor the need for therapy.

 
Creatinine, Random Urine 
Less than or equal to 6 Months2-28 mg/dL
7-11 Months2-31 mg/dL
1-2 Years2-110 mg/dL
3-8 Years2-130 mg/dL
9-12 Years2-160 mg/dL
Greater than 12 Years Male20-320 mg/dL
Greater than 12 Years Female20-275 mg/dL
No Appointment Necessary
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12 Patient Service Centers in Central New York.

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