RISPERIDONE AND 9-HYDROXYRISPERIDONE
General Information
HLAB/HOL Code: RPMET
UPHSM LIS Test #:
Schedule:
Testing Time: 3-5 Days
Testing Lab: LabCorp
UPHSM LIS Test #:
Schedule:
Testing Time: 3-5 Days
Testing Lab: LabCorp
Specimen Info
Only 1 specimen type required, unless otherwise specified
Volume: 3.0 mL
Temperature: Refrig
Tube Type: Serum
Collection Info:
Container: Red-top tube. Do not use a gel-barrier tube. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel. Depending on the specimen volume and storage time, the decrease in drug level due to absorption may be clinically significant.
Collection: Collect specimen just prior to the next dose (trough level).
Temperature: Refrig
Tube Type: Serum
Collection Info:
Container: Red-top tube. Do not use a gel-barrier tube. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel. Depending on the specimen volume and storage time, the decrease in drug level due to absorption may be clinically significant.
Collection: Collect specimen just prior to the next dose (trough level).
Specimen Acceptability
Cause for Rejection:
Gel-barrier tube
Gel-barrier tube
Methods
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Clinical Utilities
Monitor drug levels for optimal therapy
CPT Codes
80342
* The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding
is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
