Days Set Up
Analytic Time

8 hours

Test Updated:


Looking to order a test?

We’ve provided helpful links to make ordering easy.

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

Liquid Chromatography - Mass Spectrometry (LC-MS)

Test Usage

Confirm diagnosis of neuroblastoma; monitor response to therapy.

Reference Range

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

Specimen Requirements

Plastic container with 25 mL of 50% glacial acetic acid (15 mL for pediatric patients) as preservative (preferred). Container available from MLabs. (Specimen with no preservative will be accepted.)
Normal Volume
10 mL aliquot of 24 hour urine collection
Minimum Volume
10 mL aliquot of 24 hour urine collection

Billing Information

CPT Code
Pro Fee Code
Insurance Auth Info

Have More Questions?

Explore our helpful billing resources:

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.