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Test Code LORAZ Lorazepam (Ativan), Serum

Reporting Name

Lorazepam (Ativan)

Performing Laboratory

Medtox Laboratories, Inc.

Specimen Type

Varies


Specimen Required


Submit only 1 of the following specimens:

 

Plasma:

Specimen Type: Plasma

Container/Tube: Green Top

Specimen Volume: 2 mL

Collection Instructions:  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.

 

Serum:

Specimen Type: Serum

Container/Tube: Red

Specimen Volume: 2 mL

Collection Instructions: 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

0.6 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 Plasma gel tube, Serum gel tube

Reference Values

Reference Range: 50.0 - 240.0 ng/mL

Day(s) and Time(s) Performed

Monday, Tuesday, Thursday, and Friday

CPT Code Information

80346

G0480 (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
LORAZ Lorazepam (Ativan) 59703-9

 

Result ID Test Result Name Result LOINC Value
Z1123 Lorazepam (Ativan) 59703-9

Method Name

Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)