Test directory: Collagen Cross-Linked N-Tx, 24Hr Ur

Ordering Code 4367
Test Name Collagen Cross-Linked N-Tx, 24Hr Ur
Alias N-Telopeptide
NTx
Osteomark
Cross-Linked N-Tx
Preferred Specimen Urine, 24 Hour
Preferred Container 24 Hour Urine Container
No preservative
Other Specimen/Container None
Optimum Volume 20 mL
Collection Instructions Keep refrigerated during collection
Record entire 24 Hr Vol on container & requisition
Patient age & sex required on requisition.
Transport Requirements Oahu: Refrigerated
Airline: Refrigerated
Specimen Stability Ambient: 72 Hours
Refrigerated: 5 Days
Frozen: 1 Month
Rejection Criteria Received ambient at reference lab, Preservatives used
Avail. Stat NO
Analytic Time Up to 7 Days
Methodology Enhanced Chemiluminescence
Reference Lab  Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of June 1, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Total Volume ALL See report.
N-Telopeptide (NTx), 24Hr ALL See report.
Creatinine, 24 Hr Urine ALL See report.