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Test Code
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PHEN
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Test Name
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Phenobarbital
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CPT Codes
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80184
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Expected Turnaround Time
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Same day
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Clinical Utility
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Useful for monitoring therapy and assessing toxicity.
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Specimen and Container Info
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Specimen | Container | Volume | Serum | Red Top, Plain* | 1 mL | Serum | Gold Top, Serum Separator | 1 mL | Plasma | Dark Green Top (Lithium Heparin) | 1 mL | Plasma | Light Green Top, Plasma Separator | 1 mL | Plasma | Gray Top (Sodium Fluoride, Potassium Oxalate) | 1 mL | Plasma | Lavender Top (EDTA) | 1 mL |
*Preferred Specimen |
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Processing and Submission Instructions
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- Centrifuge specimens for 5 minutes at 3000 rpm.
- Transfer serum or plasma to a plastic aliquot tube.
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Transport Instructions
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Transport to the laboratory refrigerated. |
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Stability Requirements
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Methodology
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Enzyme Immunoassay (EIA)
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Reference Intervals
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Age | Reference Interval | Units | All Ages | 10.0 - 40.0 | µg/mL |
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Critical Values
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Age | Critical Value | Units | All Ages | >=60.1 | µg/mL |
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Performing Location
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Hazleton Hospital, Pocono Hospital, Redeemer Health, Roble Road Core Laboratory, Schuylkill Hospital
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Alternate Names
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Luminal
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Testing Schedule
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Routine daily, STAT testing available
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