5 - 6 days
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Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Therapeutic drug monitoring.
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.
Collect specimen in a red top or green top tube.
Collect specimen in a red top or green top tube. Centrifuge, aliquot serum or plasma into a plastic vial and freeze.