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HelpTest Code FZOLP Zolpidem (Ambien), serum or plasma
Reporting Name
Zolpidem (Ambien), SerumSpecimen Type
VariesSpecimen Required
Submit only 1 of the following specimens:
Plasma
Draw blood in a green-top (sodium heparin) tube(s), plasma gel tube is not acceptable. Spin down and send 2 mL sodium heparin plasma refrigerated in a plastic vial.
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.
Specimen Minimum Volume
0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Varies | Refrigerated (preferred) | 7 days |
| Frozen | 180 days | |
| Ambient | 72 hours |
Reject Due To
| Hemolysis | NA |
| Lipemia | NA |
| Icterus | NA |
| Other | NA |
Reference Values
Units: ng/mL
Expected hypnotic zolpidem concentrations in patients taking recommended daily dosages: up to 250 ng/mL.
Toxic range has not been established.
Day(s) Performed
Monday through Sunday
Report Available
3 to 7 daysPerforming Laboratory
Medtox Laboratories, Inc.CPT Code Information
80368
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FZOLP | Zolpidem (Ambien), Serum | 6953-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z3322 | Zolpidem, SE | 6953-4 |
Method Name
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)