Casandra
Casandra Test Code QD88113Version 1 (DRAFT)
Performing Lab
Lab Quest DiagnosticsLab Test ID N/A
Perphenazine, Serum or Plasma
Clinical Use
Order TestUse
Therapeutic drug management of perphenazine (an antipsychotic) by measuring serum or plasma levels to guide dosing and monitor adherence.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Mass Spectrometry
Biomarkers
Perphenazine
AnalytePerphenazine • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
5-10 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
3 mL
Minimum Volume
0.5 mL
Container
Red‑top tube or heparin (green‑top) tube (gel‑barrier tubes not recommended)
Collection Instructions
Separate serum or plasma from cells within two hours of venipuncture; submit in a plastic transport tube.
Patient Preparation
Trough levels are most reproducible.
Storage Instructions
Room temperature for transport up to 3 days; beyond that refrigerated or frozen.
Causes for Rejection
Gel‑barrier tubes
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | <3 days |