Flurazepam

Alphabetical Test listing

Flurazepam-953

Test name:

Flurazepam

Test number:

953

Excellian order number:

LAB953

Abbreviation:

FLR

Alternate names:

Dalmane
Flurazepam & desalkylflurazepam

Tests included:

Flurazepam
Desalkylflurazepam

Useful for:

Therapeutic drug management

Specimen type:

Serum

Collection container:

Red serum vial/tube, 5 mL

Volume:

2.0 mL

Minimum volume:

0.5 mL

Processing instructions:

Allow specimen to clot
Spin within two (2) hours of sample collection
Transfer serum to a Serum/plasma transfer vial/tube (MedTox), labelled as serum

Transport container:

Serum/plasma transfer vial/tube (MedTox)

Alternate specimen type:

Heparin plasma

Alternate collection container:

Dk green heparin (Li or Na), no gel

Alternate collection instructions:

Immediatley following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting

Alternate processing instructions:

Spin within two (2) hours of sample collection
Transfer plasma to a Serum/plasma transfer vial/tube (MedTox), labelled as the appropriate plasma type

Transport and stability:

Refrigerated (preferred)

Ambient - 3 days

Frozen (OK)

Reason for rejection:

Gel-barrier tubes are not recommended

Performing lab:

MedTox Laboratories (53): R-MX

Days set up:

Varies

TAT:

6 days

Method:

Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

Reference ranges:

Flurazepam: 0 - 30 ng/mL

Desalkylflurazepam: 30 - 150 ng/mL

Combined total: 30 - 180 ng/mL

CPT codes:

G0480

Subject to medical necessity (Y/N):

Yes

LCD/NCD:

Medical necessity

Date created:

11/30/2001

Revised date:

12/28/2023

Review date:

12/28/2023