Days Set Up
Tuesday
Analytic Time

2 - 3 weeks

Soft Order Code
MMLR

Test Updated:

Synonyms

Placidyl

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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

HPLC

Test Usage

Assessing toxicity or abuse.

Reference Range

Therapeutic: 2-10 mcg/mL; Toxic: Greater than or equal to 20 mcg/mL.

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

Specimen Requirements

Collection Offsite

Collect specimen in Red top or Green top tube; do not use SST/PST tube. Centrifuge and aliquot serum/plasma into a plastic vial. Send to Specimen Processing refrigerated.

Yellow Top Tube
Red Top Tube
Normal Volume
3 mL serum or plasma
Minimum Volume
1.2 mL serum or plasma

Billing Information

CPT Code
80320
Pro Fee Code
 
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.

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