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Butalbital
Test CodeBUTALB
Alias/See Also
Fiorinal
Medigesic
Phrenilin
Quest Code
22642
Medigesic
Phrenilin
Quest Code
22642
CPT Codes
80345
Preferred Specimen
3 mL serum collected in a no additive (red-top) tube, transferred to a plastic screw-cap vial
Minimum Volume
1 mL
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 5 days
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Methodology
Chromatography
Setup Schedule
Tuesday-Saturday nights
Report Available
3 days
Clinical Significance
Butalbital is a short-acting barbiturate used as an anxiolytic and muscle relaxant in combination with other analgesics.
Performing Laboratory
Quest Diagnostics Nichols Institute
Chantilly, VA