Clinical Significance: Butalbital is a barbituate which is combined with other medications for the treatment of pain.
Tested in urine only
Drug Class
Barbituates
Metabolite(s)
None
Aliases
Fioricet, Bucet
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