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N-Telopeptide, Cross-Linked, Serum
0070500
Ordering Recommendation
Mnemonic
NTX SERUM
Methodology
Quantitative Enzyme-Linked Immunosorbent Assay
Performed
Mon, Wed, Fri
Reported
1-4 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Plain red or serum separator tube.  
Specimen Preparation
Transfer 0.5 mL serum to an ARUP Standard Transport Tube. (Min: 0.2 mL)  
Storage/Transport Temperature
Frozen.  
Unacceptable Conditions
Severely hemolyzed specimens.  
Remarks
 
Stability
After separation from cells: Ambient: 5 hours; Refrigerated: 24 hours; Frozen: 6 months  
Reference Interval
Adult Male: 5.4-24.2 nM BCE
Premenopausal, Adult Female: 6.2-19.0 nM BCE
Interpretive Data
The target value for treated postmenopausal adult females is the same as the premenopausal reference interval.
BCE=Bone Collagen Equivalent


Note
CPT Code(s)
82523
Components
Component Test Code*Component Chart NameLOINC
0070500N-Telopeptide, Cross-Linked, Serum21215-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Cross-Linked N-Telopeptide
  • N-Telopeptide, Cross-Linked
  • NTx
  • NTx Serum