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HelpTest ID LORAZ Lorazepam (Ativan), Serum
Specimen Required
Submit only 1 of the following specimens:
Plasma:
Specimen Type: Plasma
Collection Container/Tube: Green top
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL
Collection Instructions: Draw blood in a green-top sodium heparin tube(s), plasma gel tube is not acceptable. Centrifuge and send 2 mL of plasma refrigerated in a plastic vial.
Serum:
Specimen Type: Serum
Collection Container/Tube: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL
Collection Instructions: Draw blood in a plain, red-top tube(s), serum gel tube is not acceptable. Centrifuge and send 2 mL of serum refrigerated in a plastic vial.
Method Name
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Reporting Name
Lorazepam (Ativan)Specimen Type
VariesSpecimen Minimum Volume
0.6 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Varies | Refrigerated (preferred) | 14 days |
| Frozen | 180 days | |
| Ambient | 72 hours |
Reference Values
Reference Range: 50.0 - 240.0 ng/mL
Day(s) Performed
Monday, Tuesday, Thursday, Friday
Report Available
5 to 13 daysPerforming Laboratory
Medtox Laboratories, Inc.CPT Code Information
80346
G0480 (if appropriate)