Risperidone

CPT: 80299
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Synonyms

  • Risperdal®

Expected Turnaround Time

3 days


Related Documents


Specimen Requirements


Specimen

Serum or plasma


Volume

3 mL


Minimum Volume

0.6 mL


Container

Red-top (no additive) tube or green-top (heparin) tube; gel-barrier tubes not recommended


Collection

Transfer separated serum or plasma to a plastic transport tube. Trough levels are most reproducible.


Storage Instructions

Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.


Test Details


Use

Therapeutic drug management


Limitations

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


Methodology

Liquid chromatography/tandem mass spectrometry (LC/MS-MS)


Reference Interval

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


LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
716563 Risperidone (Risperdal(R)), S 716564 Risperidone, Serum ng/mL 9393-0
716563 Risperidone (Risperdal(R)), S 716565 9-OH-Risperidone, Serum ng/mL 9383-1
716563 Risperidone (Risperdal(R)), S 716566 Total (Risp+9-OH) ng/mL 9394-8

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