Ordering Recommendation

Optimize drug therapy and monitor patient adherence. This test detects risperidone (parent) AND paliperidone (9-hydroxyrisperidone, metabolite). For paliperidone (9-hydroxyrisperidone) only, order Paliperidone, Serum or Plasma (2007949).

Mnemonic

RISPERIDON

Methodology

Quantitative Liquid Chromatography-Tandem Mass Spectrometry

Performed

Mon, Wed, Sat

Reported

1-5 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation

Pre-dose (trough) draw - At steady state concentration.

Collect

Plain Red. Also acceptable: Lavender (EDTA) or Pink (K2EDTA).

Specimen Preparation

Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Whole blood. Gel separator tubes, light blue (citrate), or yellow (SPS or ACD solution).

Remarks

N/A

Stability

Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: 2 months

Reference Interval

Effective June 7, 2021

Therapeutic range (Risperidone) 20-60 ng/mL
Therapeutic range (9-hydroxyrisperidone (Paliperidone)) 20-60 ng/mL
Toxic range (Risperidone and Metabolite) Greater than 120 ng/mL

Interpretive Data

The therapeutic range is based on serum pre-dose (trough) draw at steady-state concentration. Adverse effects to risperidone therapy may include headache, nausea, dizziness, tachycardia, orthostatic hypotension and dyskinesia.

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

N/A

CPT Codes

80342 (Alt code: G0480)

Components

Component Test Code* Component Chart Name LOINC
2007952 Risperidone Serum/Plasma 9393-0
2007953 9 OH Risperidone Serum/Plasma 9383-1
2007954 Total Risper/9 OH Risper 9394-8
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • 9-Hydroxyrisperidone
  • risperdal blood level
  • Risperdal{R}
  • risperidone blood level
Risperidone and Metabolite, Serum or Plasma