Xanax
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Alprazolam (Xanax), Serum/Plasma
Test ID: ALPRAZQST SP
Test
Aliases/Synonyms
Method
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Report Includes
Alprazolam
Specimens
Avoid gel separator tubes; Serum; Plasma
Test Location
Quest Diagnostics, Virginia USA
Test Version
30-Mar-2023
Specimen
Specimens
Avoid gel separator tubes; Serum; Plasma
Collection Containers
Preferred
Red top (no additive)
Acceptable
Lavender top (EDTA); Green top (sodium heparin)
Sample Volume
2 mL
Minimum Volume
1 mL
Specimen Comment
Avoid gel separator tubes.
Collection & Handling
Collection Instructions
Collect at trough concentration.
Handling Information
Store and send cold.
Stability
| Ambient | 5 days |
|---|---|
| Refrigerated | 14 days |
| Frozen | Not established |
Rejection Criteria
| Specimen | Gel-separator tubes |
|---|
Test Version
30-Mar-2023
Performance / Interpretation
Method
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Turnaround Time
8 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| Alprazolam | ng/mL |
|
||
Test Location
Quest Diagnostics, Virginia USA
Test Version
30-Mar-2023
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| ALPRAZQST SP | 63873ALPRAZOLAM, QN, S/P | ng/mL |
Test Version
30-Mar-2023