Days Set Up
Monday, Thursday
Analytic Time

2 - 6 days

MiChart Code
N-Telopeptides, 24 HR Urine (Sendout)
Soft Order Code

Test Updated:


N-Telopeptides, Urine
Pyrrolinks-D, Urine
Crosslinked N-telopeptide of Type 1 Collagen, Urine
Type I Collagen (NTX), Urine
Collagen Crosslinks, Urine
NTX-Telopeptide, Urine

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

ECi Competitive Assay

Test Usage

Identifying individuals with elevated bone resorption who have osteoporosis in whom response to treatment is being monitored; Predicting response (as assessed by bone mass measurements) to Food and Drug Administration (FDA)-approved antiresorptive therapy in postmenopausal women; Assessing effectiveness of osteoporosis treatment including FDA-approved antiresorptive therapies in postmenopausal women, individuals with osteoporosis, Paget's disease of bone, and antiestrogen or selective estrogen therapies.

Reference Range

Age and sex specific reference ranges provided with report.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Collect a second-morning void urine specimen, aliquot urine into a plastic urine tube, and freeze (preferred). Specimens stored refrigerated up to 14 days are acceptable.

100ml Plastic Specimen Container
Normal Volume
4 mL urine
Minimum Volume
0.5 mL urine

Billing Information

CPT Code
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.