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| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Phenobarbital
Test CodePHNO
Preferred Specimen
1 mL serum
Patient Preparation
Collect just prior to next dose
Minimum Volume
0.2 mL
Other Acceptable Specimens
Plasma collected in: Sodium heparin (green-top) tube, lithium heparin (green-top) tube or serum from plain red top tube
Transport Container
Transport tube
Transport Temperature
Ambeint
Specimen Stability
Ambient: 7 days
Refrigerated: 7 days
Refrigerated: 7 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Anticoagulants other than heparin
Methodology
Immunoassay (IA)
Setup Schedule
24/7
Report Available
Same day
Reference Range
15.0-40.0 mg/L
Clinical Significance
Phenobarbital is an anticonvulsant used for the long-term treatment of generalized tonic-clonic (grand mal) seizures and cortical focal seizures. Phenobarbital levels are monitored to assure adequate therapeutic levels are achieved and to avoid toxicity.
