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HelpTest ID FVIST Hydroxyzine (Vistaril, Atarax), Serum
Specimen 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 3 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 3 mL of serum refrigerated in a plastic vial.
Method Name
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Reporting Name
Hydroxyzine (Vistaril)Specimen Type
VariesSpecimen Minimum Volume
0.6 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Varies | Refrigerated (preferred) | 7 days |
| Frozen | 180 days | |
| Ambient | 72 hours |
Reference Values
Reference Range: 10 - 100 ng/mL
Day(s) Performed
Monday through Sunday
Report Available
7 to 11 daysPerforming Laboratory
Medtox Laboratories, Inc.CPT Code Information
80299