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22836 Lorazepam (64)

Lorazepam (64)
Test Code: MISC
Synonyms/Keywords
Ativan®​
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
Serum​ ​Red Top Tube (RTT) ​2 mL ​0.5 mL
​Plasma ​Lithium-heparin Green Top Tube or Sodium-heparin Green Top tube (GTT) ​2 mL ​0.5 mL
Collection Processing Instructions
Trough levels are most reproducible
Specimen Stability Information
Specimen Type Temperature Time
​Serum or Plasma ​ ​ ​ Ambient ​ 3 days​
​Refrigerate​8 days
​Frozen​3 weeks
Rejection Criteria

​Gel-barrier tubes

Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Medtox Laboratories​ Performed daily​ 5-9 days​
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS-MS)
Reference Lab
Reference Range Information
Performing Location Reference Range
Medtox Laboratories​
 
50.0-240.0 ng/mL
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​80346
Synonyms/Keywords
Ativan®​
Ordering Applications
Ordering Application Description
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
Serum​ ​Red Top Tube (RTT) ​2 mL ​0.5 mL
​Plasma ​Lithium-heparin Green Top Tube or Sodium-heparin Green Top tube (GTT) ​2 mL ​0.5 mL
Collection Processing
Trough levels are most reproducible
Specimen Stability Information
Specimen Type Temperature Time
​Serum or Plasma ​ ​ ​ Ambient ​ 3 days​
​Refrigerate​8 days
​Frozen​3 weeks
Rejection Criteria

​Gel-barrier tubes

Reference Range Information
Performing Location Reference Range
Medtox Laboratories​
 
50.0-240.0 ng/mL
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Medtox Laboratories​ Performed daily​ 5-9 days​
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS-MS)
Reference Lab
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​80346
For most current information refer to the Marshfield Laboratory online reference manual.