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 |