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Test Code FRISP Risperidone (Risperdal) and 9-Hydroxyrisperidone

Additional Codes

MLAB: YRS

Powerchart: Risperidone (Risperidol) Level + Metabol

Epic: LAB1018 Risperidone & Metabolites

Reporting Name

Risperidone and Metabolite

Performing Laboratory

Medtox Laboratories, Inc.

Specimen Type

Varies


Specimen Required


Submit only 1 of the following specimens:

 

Plasma

 

Specimen Type: Plasma (Preferred)

Container/Tube: Green-top (sodium heparin) tube(s).

Specimen volume: 3 mL

Collection Instructions: Draw blood in a green-top (sodium heparin) tube(s), plasma gel tube is not acceptable. Spin down and send 3 mL sodium heparin plasma refrigerated in a plastic vial.

 

Serum

 

Specimen Type: Serum

Container/Tube: Red-top tube, serum gel is not acceptable.

Specimen volume: 3 mL

Collection Instructions: Draw blood in a plain red-top tube(s), serum gel tube is not acceptable. Spin down and send 3 mL of serum refrigerated in a plastic vial.


Specimen Minimum Volume

0.6 mL

Specimen Stability Information

Specimen Type Temperature Time
Varies Refrigerated (preferred) 7 days
  Frozen  180 days
  Ambient  72 hours

Reject Due To

Hemolysis

NA

Thawing

Warm OK; Cold OK

Lipemia

NA

Icterus

NA

Other

NA

 

Reference Values

Units:    ng/mL

 

Expected steady state concentrations of risperidone and 9-hydroxyrisperidone (combined total) in patients receiving recommended daily dosages: 10 - 120 ng/mL.

 

Day(s) and Time(s) Performed

Monday through Sunday

CPT Code Information

80342

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FRISP Risperidone and Metabolite 55157-2

 

Result ID Test Result Name Result LOINC Value
Z1183 Risperidone (Risperdal) 9393-0
Z1056 9-Hydroxyrisperidone 9383-1
Z1057 Combined Total 9394-8

Method Name

Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

Secondary ID

91105

Test Classification

This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.