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 within two hours and send 1.0 mL serum in a screw capped plastic vial.

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Serum separator tube (SST), grossly lipemic, hemolyzed, and icteric specimens.

Stability

Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 14 days

Methodology

High Performance Liquid Chromatography/Tandem Mass Spectrometry
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Reference Range

Diazepam: 100 – 1000 ng/mL
Nordiazepam: 100 – 1000 ng/mL
Toxic: Sum >3000 ng/mL
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Performing Laboratory

Warde Medical Laboratory
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New York DOH Approval Status

No
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