Alprazolam, Serum or Plasma
Also known as: Niravam®, Xanax®
Use
Therapeutic drug management
Special Instructions
In some cases, additional time may be required for confirmatory or reflex tests. Testing schedules may vary.
Limitations
Additional confirmatory or reflex tests may extend turnaround time. Gel-barrier tubes are not recommended and will result in rejection. Trough levels are most reproducible but timing variability may affect interpretation.
Methodology
Mass Spectrometry
Biomarkers
LOINC Codes
- 3312-6
- 3312-6
Result Turnaround Time
7-10 days
Related Documents
For more information, please review the documents below
Specimen
Plasma
Volume
2 mL
Minimum Volume
0.5 mL
Container
Red‑top tube or green‑top (heparin) tube. Gel‑barrier tubes are not recommended.
Collection Instructions
Serum or plasma should be separated from cells within two hours of venipuncture. Submit serum or plasma in a plastic transport tube.
Patient Preparation
Trough levels are most reproducible.
Storage Instructions
Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen. Specimen is stable for eight days at room temperature or refrigerated, and for 19 days frozen.
Causes for Rejection
Gel‑barrier tubes
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 8 days |
| Refrigerated | 8 days |
| Frozen | 19 days |
Other tests from different labs that may be relevant