Casandra
Casandra Test Code QD20763Version 1 (DRAFT)
Performing Lab
Brexpiprazole, Serum/Plasma
Clinical Use
Order TestUse
Quantitative measurement of brexpiprazole (Rexulti®), an antipsychotic agent, in serum or plasma to aid therapeutic drug monitoring and ensure appropriate dosing.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Mass Spectrometry
Biomarkers
Brexpiprazole
AnalyteBrexpiprazole
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
6 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1 mL
Minimum Volume
0.3 mL
Container
Plastic container (preservative‑free); serum: red top tube; plasma: lavender (EDTA) or pink
Collection Instructions
Promptly centrifuge and separate serum or plasma into a plastic screw capped vial using approved guidelines.
Causes for Rejection
Received Room Temperature. Polymer gel separation tube (SST or PST).
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 2 days |
| Refrigerated | 30 days |
| Frozen | 30 days |
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