Risperidone and 9-Hydroxyrisperidone


Sunquest Code:RIS  
Epic Code:LAB3719Epic Name:Risperdal Quantitative
Synonyms:Risperdal
Methodology:Liquid chromatography/ Tandem mass spectrometry
CPT Code:80342
Test Includes:9-Hydroxyrisperidone
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 3 days.


Collection Instructions

Specimen:Blood
Optimal Volume:6 mL
Minimum\Peds Volume:2.6 mL
Container:Red (no gel) (Green (lithium heparin, no gel), Green (sodium heparin, no gel))
Collection Instructions:Trough levels are the most reproducible.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 3 mL, 1.2 mL minimum. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Test Performed at or Referral Lab Lab Sendouts  (MedTox)
Referral Lab number:757


Interpretive

Reference Range:Risperidone and 9-Hydroxyrisperidone (combined total) = 10-120 ng/mL


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