Days Set Up
Daily
Analytic Time

3 - 5 days

Soft Order Code
MMLR

Test Updated:

Synonyms

Parest
Quaalude

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

Gas Chromatography-Mass Spectrometry (GC-MS)

Test Usage

Monitor therapeutic level, evaluate for toxicity and/or drug abuse.

Reference Range
 

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

Specimen Requirements

Collection Instructions

Collect blood in a red top tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.

Normal Volume
3 ml serum
Minimum Volume
1.1 ml serum

Billing Information

CPT Code
80307
Pro Fee Code
 
Insurance Auth Info
 
LOINC
 

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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.