Test Code FRISPM Risperidone (Risperdal) and 9-Hydroxyrisperidone
Additional Codes
| Mayo | FRISP |
| Epic ID | LAB5268 |
Specimen Type
VariesSpecimen 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 |
Transport refrigerated.
Reject Due To
| Hemolysis | NA |
| Lipemia | NA |
| Icterus | NA |
| Other | NA |
Performing Laboratory
Medtox Laboratories, Inc.Method Name
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Day(s) Performed
Monday through Sunday
Report Available
3 to 7 daysReference 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.
CPT Code Information
80342