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| Web: | MayoMedicalLaboratories.com |
|---|---|
| Email: | mml@mayo.edu |
| Telephone: | 800.533.1710 |
| International: | 507.266.5700 |
| Values are valid only on day of printing. | |
Haloperidol, reduced haloperidol (its major metabolite), and the internal
standard (haloperidol d4) are extracted from alkaline serum into 5%
isopropyl alcohol in hexane. The organic fraction is dried and reconstituted
with methanol. Analysis is performed on an isocratic liquid chromatography
(LC) system with tandem mass spectrometry (MS/MS) detection. (Hempenius J,
Steenvoorden RJ, Lagerwerf FM, et al: "High throughput†solid-phase
extraction technology and turbo ionspray LC-MS-MS applied to the deter-
mination of haloperidol in human plasma. J Pharmaceut Biomed Anal
1999;20:889-898)

