Days Set Up
Daily
Analytic Time

5 - 6 days

MiChart Code
Flurazepam Level
Soft Order Code
FFLUR

Test Updated:

Synonyms

FFLURZ
FLURAZEPAM, DESALKYLFLURAZEPAM
Dalmane

+ See More

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/Tandem Mass Spectrometry (LC/MS/MS)

Test Usage

Therapeutic drug monitoring.

Reference Range

Flurazepam: 0 - 30 ng/mL, critical value 500 ng/mL; Desalkyflurazepam: 30 - 150 ng/mL, critical value 500 ng/mL; Flurazepam and Desalkyflurazepam: 30 - 180 ng/mL, critical value 1000 ng/mL.

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

Specimen Requirements

Collection Onsite

Collect specimen in a red top or green top tube.

Collection Offsite

Collect specimen in a red top or green top tube. Centrifuge, aliquot serum or plasma into a plastic vial and freeze.

Normal Volume
2 mL serum or plasma
Minimum Volume
0.5 mL serum or plasma

Billing Information

CPT Code
80346
Pro Fee Code
 
LOINC
 

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.

LEARN MORE