Test Overview
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS-MS)
Assessing toxicity or monitoring possible abuse.
2.0-3.0 mcg/mL Hypnosis; 25 mcg/mL Sedation/sleep; >30 mcg/mL Coma; >50 mcg/mL Toxic
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Concentration at which toxicity occurs varies and should be interpreted in light of clinical situation.
Test Details
3 - 5 days
- Butesol
- Butisol
- Phrenilin
Specimen Requirements
Draw immediately before the next dose. Collect blood in a red top tube. Centrifuge, aliquot serum into a plastic vial and refrigerate within 2 hours of collection.
Additional Information
Butabarbital (Butisol) is an intermediate-acting barbiturate with sedative-hypnotic activity. Toxic mainifestations can include respiratory depression, acidosis and hypoxia, hypothermia, hypotension, cardiac depression, shock, and coma. Test sent to Mayo Medical Laboratories; performed by MedTox Laboratories.