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Nitrazepam and Metabolite, Serum or Plasma
Test Code8333
CPT Codes
80299
Preferred Specimen
2 mL serum collected in a red-top tube (no gel)
Minimum Volume
0.7 mL
Other Acceptable Specimens
Plasma collected in an EDTA (lavender-top), EDTA (pink-top), sodium heparin (green-top), 3.2% sodium citrate (light blue-top) or ACD solution B (yellow-top) tube
Instructions
Promptly centrifuge and separate serum or plasma into a plastic screw-capped vial using approved guidelines
Transport Container
Plastic screw-cap vial
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: Not Established
Refrigerated: 30 days
Frozen: 30 days
Refrigerated: 30 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Serum Separator Tube (SST) • PST
Methodology
High Performance Liquid Chromatography (HPLC)
Setup Schedule
Sets up 2 days a week.
