Clinical Significance: Phenobarbital is the oldest and most common barbituate used to treat all types of seizures except absence seizures.
Tested in urine only
Drug Class
Barbituates
Metabolite(s)
None
Aliases
Donnatal
Methodology
Enzyme Immunoassay/Liquid Chromatography Mass Spectrometry
Urine Recommended Volume
30mL
Oral Fluid Minimum Volume
N/A
Specimen Stability
15 days
Urine Reportable Range
200-2000
Oral Fluid Reportable Range
N/A
Urine Immunoassay Cutoff (ng/mL)
200
Urine Window of Detection
2-7 days
Oral Fluid Window of Detection
N/A
Rejection Criteria
Quantity Not Sufficient
Urine Transient Contanier
Urine Clinical Drug Test Transport Cup
Oral Fluid Transient Contanier
N/A