test directorySearch Results
Click here to search again.
Test Name:
N-Telopeptide, Cross-Linked, Serum
- SBMF No:
44521 - Performance Lab Name:
ARUP Laboratories - Test Mnemonic:
NTX - ABN:
May be required – Medical Necessity - CPT Code:
82523 - LOINC Code:
21215-9 - Ref Lab Test No:
0070500 - Also Known As:
NTx - Spec Type:
Serum - Spec Container:
Red top (serum) tube - Pref Vol:
0.5 mL - Min Vol:
0.25 mL
Pediatric Collection: 0.15 mL - Fasting:
No - Spec Collect:
Do not use gel-barrier tubes for specimen collection
Routine venipuncture - Spec Process:
Clot 30 minutes
Promptly centrifuge 15 minutes
Immediately transfer serum to separate plastic tube and freeze - Spec Store Transport:
Frozen - Spec Stability:
After separation from cells
5 hours room temperature (20-30°C)
24 hours refrigerated (2-8°C)
6 months frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Spec Reject:
Severely hemolyzed sample - Methodology:
Enzyme-Linked Immunosorbent Assay (ELISA) - Clinical Significance:
Refer to:
- Reference Range:
- N-Telopeptide, Cross-Linked, Serum
- 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
- Day Run:
Mon, Wed, Fri - Time Reported:
2-5 days - Test Type:
CHEMISTRY
