Test Details
Mnemonic
DIAZE
Ordering Code
1750990
CPT-4 Code(s)
80346 (G0480)
Specimen Information
Collect
Red top
Specimen Preparation
Centrifuge, separate serum from cells and send 1.0 mL serum refrigerated in a screw capped plastic vial.
Minimum Volume
0.2 mL
Transport Temperature
Refrigerated
Rejection Criteria
SST
Stability
Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
Methodology
High Performance Liquid Chromatography/Tandem Mass Spectrometry
Reference Range
Diazepam: 100 – 1000 ng/mL
Nordiazepam: 100 – 1000 ng/mL
Toxic: Sum >5000 ng/mL
Nordiazepam: 100 – 1000 ng/mL
Toxic: Sum >5000 ng/mL
Performing Laboratory
Warde Medical Laboratory