Risperidone

TEST: 716563
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CPT: 80299
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Synonyms

  • Risperdal®

Expected Turnaround Time

3 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

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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CPT Statement/Profile Statement

The LOINC® codes are copyright © 1994-2023, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf