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Phenobarbital - Unbound, Serum/Plasma
Test Code10798X
CPT Codes
80184
Preferred Specimen
2 mL serum collected in a red-top tube (no gel) or plasma collected in an EDTA (lavender-top or pink-top) tube
Minimum Volume
0.7 mL
Instructions
Promptly centrifuge and separate serum or plasma into a plastic screw-capped vial using approved guidelines.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 90 days
Refrigerated: 90 days
Frozen: 18 months
Refrigerated: 90 days
Frozen: 18 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Polymer gel separation tube (SST or PST)
Methodology
High Performance Liquid Chromatography (HPLC)
Setup Schedule
Sets up 5 days a week.
Clinical Significance
Therapeutic Drug Monitoring
