Risperidone and Metabolite, Serum/Plasma Test (4105SP)

Risperidone and Metabolite, Serum/Plasma Test (4105SP)

Analysis Code 4105SP 
Test Name Risperidone and Metabolite, Serum/Plasma 
Test Includes 9-Hydroxyrisperidone; Risperidone; Risperidone and 9-Hydroxyrisperidone - Total 
Compound Synonym(s) Risperdal┬«; Risperidone Metabolite; Total Active Moiety 
Purpose Therapeutic Drug Monitoring; This test is New York State approved. 
Category Antipsychotic (Neuroleptic) 
Method(s) High Performance Liquid Chromatography/
TandemMass Spectrometry (LC-MS/MS) 
Specimen Requirements 1 mL Serum or Plasma 
Transport Temperature Refrigerated 
Specimen Container Plastic container (preservative-free) 
Special Handling Serum: Collect sample in Red top tube
Plasma: Collect sample in Lavender top tube (EDTA) or Pink top tube.
Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines. 
Light Protection Required Not Required 
Stability Room Temperature: 7 day(s)
Refrigerated: 14 day(s)
Frozen (-20 ┬░C): 36 month(s) 
*Rejection Criteria Polymer gel separation tube (SST or PST). 
Day(s) Test Set-up / TAT [LC-MS/MS] Tuesday / 3 days 
Suggested CPT Code 80342 
**Minimum Volume 0.4 mL 
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You are viewing Risperidone and Metabolite, Serum/Plasma Test (4105SP)
*Rejection criteria pertain to clinical specimen submissions only.
**Stated minimum volume allows for a single analysis. Repeat analysis will not be performed.


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