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Test ID FFLUR Flurazepam (Dalmane) and Desalkylflurazepam

Method Name

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

Reporting Name

Flurazepam (Dalmane)

Specimen Type


Specimen Required

Submit only 1 of the following specimens:



Draw blood in a green-top (sodium heparin) tube(s), plasma gel tube is not acceptable. Spin down and send 2 mL sodium heparin plasma frozen in plastic vial.



Draw blood in a plain, red-top tube(s), serum gel tube is not acceptable. Spin down and send 2 mL of serum frozen in plastic vial.

Specimen Minimum Volume

0.3 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Frozen 180 days

Reference Values


Reference Range:  0 - 30 ng/mL



Reference Range: 30 - 150 ng/mL


Flurazepam + Desalkyflurazepam:

Reference Range:  30 - 180 ng/mL


Day(s) Performed

Monday through Sunday

Performing Laboratory

Medtox Laboratories, Inc.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FFLUR Flurazepam (Dalmane) 73826-0


Result ID Test Result Name Result LOINC Value
Z1133 Flurazepam 46979-1
Z1160 Desalkylflurazepam 46980-9
Z1161 Flurazepam + Desalkylflurazepam 73826-0

Report Available

5 to 9 days

NY State Approved