Yale New Haven Hospital

Department of Laboratory Medicine
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N-telopeptide, urine

Lab Section: 

Sendout Reference

 

Lab Location: 

Sendout

Reference Lab: 

Quest

 

Test ID: 

LAB816

 

Synonyms: 

NTX, Urine

Methodology: 

Enhanced Chemiluminescence

Schedule: 

Daily

Reported: 

10 days

Specimen Requirements: 

Collection: 4.0 mL Urine in a Yellow Top Tube - Urine.
Pediatric volume: 2 mL.
2 mL random urine or catheterized urine or first void clean catch urine
Transport: Refrigerated (cold packs).
Unacceptable conditions: Received room temperature • Acidified specimen • Preserved specimen
Stability: Room temperature: 72 hours Refrigerated: 5 days Frozen: 30 days

 

Notes: 

Clinical Indications: NTx is useful to assess bone resorption in patients with metabolic bone disease. The test is also useful in monitoring therapy to slow or halt osteoporotic bone loss. A decline of 30% or more of NTx over a six-month period suggests effective therapy.

Performing lab: Quest Diagnostics Nichols Institute 33608 Ortega Highway San Juan Capistrano, CA 92690-6130

Reference Interval: 

See patient report or consult reference laboratory website.

http://www.questdiagnostics.com/testcenter/BUOrderInfo.action?tc=36167&labCode=AMD

CPT Code(s): 

82523, 82570

Last Changed: 

11/22/2016 10:33:08

Last Reviewed: 

8/29/2017 4:35:40