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| Test Name: | Risperidone (Risperdal), Serum |
|---|---|
| Test Code: | 716563 |
| Other Names: | N/A |
| Test Includes: | Risperidone, Serum, 9-OH-Risperidone, Serum, Total (Risp+9-OH) |
| Specimen Requirements: | Serum, 3 mL |
| Container: | Red-top tube; DO NOT USE A GEL-BARRIER TUBE. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel. Depending on the specimen volume and storage time, the decrease in drug level due to absorption may be clinically significant. |
| Collection Instructions: | Collect specimen just prior to the next dose (trough level). |
| Stability: | Maintain specimen at room temperature |
| Rejection Criteria / Special Instructions: | N/A |
| Methodology: | Liquid chromatography/tandem mass spectrometry (LC/MS-MS) |