Yes. Risperidone is one of the 76 compounds in the LabX LC-MS/MS confirmation panel, reported as detected at or above 40 ng/mL. Risperidone is not one of the 12 lines on the LabX 12-panel screen. It is identified by adding laboratory confirmation, which tests for all 76 compounds on the panel.
Risperidone is an atypical antipsychotic. The body converts it into 9-hydroxyrisperidone, which is also prescribed as paliperidone.
Also known as or found in: Risperdal.
Risperidone is prescribed for schizophrenia, bipolar disorder and irritability associated with autism.
Risperidone is measured by liquid chromatography with tandem mass spectrometry (LC-MS/MS), which separates the compounds in a sample and identifies each one by its mass. That is different from a rapid screen, which reacts to a family of drugs and can occasionally react to a related substance. The laboratory reports Risperidone as detected when its concentration is at or above the cut-off of 40 ng/mL, within a reportable range of 40–4,000 ng/mL. It is one of 6 compounds in the antipsychotics and mood family on the 76-drug confirmation panel.
The laboratory's confirmation report lists an approximate detection window of 1-5 days for Risperidone. Treat that as a rough guide only: how long any compound stays measurable varies with the amount taken, how often it is used, body composition, metabolism, kidney and liver function, and hydration. A laboratory result cannot be used to work out when a substance was taken.
Risperidone is not one of the 12 lines on the LabX 12-panel screen. It is identified by adding laboratory confirmation, which tests for all 76 compounds on the panel.
Risperidone and 9-hydroxyrisperidone are reported side by side, and together they reflect the total active medicine.
Medicines prescribed for psychiatric conditions and anxiety, identified by confirmation when a medication list needs to be checked.
Yes. Risperidone is one of the 76 compounds in the LabX LC-MS/MS confirmation panel, reported as detected at or above 40 ng/mL. Risperidone is not one of the 12 lines on the LabX 12-panel screen. It is identified by adding laboratory confirmation, which tests for all 76 compounds on the panel.
LabX reports Risperidone as detected at or above 40 ng/mL, and the method's reportable range is 40–4,000 ng/mL. A result below the cut-off is reported as not detected; it does not prove none was present.
The laboratory lists an approximate window of 1-5 days, but it varies with dose, frequency of use, metabolism and hydration, and cannot be used to tell when something was taken.
Risperidone is not one of the 12 lines on the LabX 12-panel screen. It is identified by adding laboratory confirmation, which tests for all 76 compounds on the panel.
Risperidone is prescribed for schizophrenia, bipolar disorder and irritability associated with autism.
Terms on this page: metabolite · cut-off · detection window · presumptive result · confirmation test. More questions: LabX answers.
Test for Risperidone and 75 other compounds
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