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HelpTest Code FALPX Alprazolam (Xanax)
Method Name
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Reporting Name
Alprazolam (Xanax)Specimen Type
VariesSpecimen Required
Submit only 1 of the following specimens:
Serum
Draw blood in a plain, red-top tube(s), serum gel tube is not acceptable. Spin down and send 2 mL of serum refrigerated in a plastic vial.
Plasma
Draw blood in a green-top sodium heparin tube(s), plasma gel tube is not acceptable. Spin down and send 2 mL of plasma refrigerated in a plastic vial.
Specimen Minimum Volume
1.0 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Varies | Refrigerated (preferred) | 14 days | |
| Frozen | 180 days | ||
| Ambient | 72 hours |
Reject Due To
| Hemolysis | NA |
| Lipemia | NA |
| Icterus | NA |
| Other | Serum gel, Plasma gel |
Reference Values
5 – 25 ng/mL
Reporting Limit: 2.0 ng/mL
Day(s) Performed
Monday through Sunday
Report Available
5 to 9 daysTest Classification
In-house validated methodCPT Code Information
80346
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FALPX | Alprazolam (Xanax) | 59611-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| FALPX | Alprazolam (Xanax) | 59611-4 |