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
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
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Aliases
  • Cross-Linked N-Telopeptide
  • N-Telopeptide, Cross-Linked
  • NTx
  • NTx Serum