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Test Code Billings Clinic: 8713 Mayo: LORAZ Lorazepam (Ativan), Serum

Reporting Name

Lorazepam (Ativan)

Performing Laboratory

Medtox Laboratories, Inc.

Method Name

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


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.


Specimen Type

Varies

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) Performed

Monday, Tuesday, Thursday, Friday

Report Available

5 to 13 days

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