Preferred Sample Type
Suitable Specimen Types
- Plain Spot Urine
10mL plain random urine
Specimen Transport
Usual transport to laboratory. Specimen MUST be protected from light.Sample Processing in Laboratory
Send to referral laboratory via first class post.Sample Stability
Specimens must be protected from light.Urine NTX (N-telopeptide; bone marker/bone markers)
General Information
Please contact the duty biochemist on bleep 2506 prior to analysis and when samples are due to arrive in the laboratory
Patient Preparation
For urine NTX analysis, collect the second vioded urine of the day into a plain universal container, and protect the specimen from light.
Reference Range
Reference ranges provided by referral laboratory (July 2014).
NB: Results are expressed as nmol bone collagen equivalent (BCE)/mmol creatinine.
| Adult males: 15-40 nmol BCE/mmol |
| Adult females: |
| pre-menopause 20-39 yrs 12-36 nmol BCE/mmol |
| pre-menopause >39 yrs 14-38 nmol BCE/mmol |
| post-menopause 15-57 nmol BCE/mmol |