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Butalbital
0090045
Ordering Recommendation

Optimize drug therapy and monitor patient adherence.

Mnemonic
BUTAL
Methodology
Quantitative Gas Chromatography-Mass Spectrometry
Performed
Wed, Sat
Reported
1-5 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration. 
Collect
Plain red. Also acceptable: Lavender (K2 or K3EDTA) or pink (K2EDTA). 
Specimen Preparation
Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL) 
Storage/Transport Temperature
Refrigerated. 
Unacceptable Conditions
Whole blood. Gel separator tubes, light blue (citrate), or yellow (SPS or ACD solution). 
Remarks
 
Stability
After separation from cells: Ambient: 3 months; Refrigerated: 3 months; Frozen: 1 year 
Reference Interval
Therapeutic Range:
1-10 µg/mL
Toxic: > 30 µg/mL
Interpretive Data
Adverse effects may include nausea, light-headedness and drowsiness.

Note
CPT Code(s)
80345 (Alt code: G0480)
Components
Component Test Code*Component Chart NameLOINC
0090045Butalbital6895-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
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