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22637 Flurazepam (Dalmane®) and Desalkylflurazepam (53)

Flurazepam (Dalmane®) and Desalkylflurazepam (53)
Test Code: MISC
Synonyms/Keywords
​Dalmane®
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
Freeze immediately; ship frozen on dry ice​
Specimen Stability Information
Specimen Type Temperature
​Serum or Plasma ​Frozen
Rejection Criteria
Not Frozen
​Gel-barrier tubes
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Medtox Laboratories​ Performed daily​ 5 days​
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS-MS)​
Reference Lab
Medtox Laboratories
Reference Range Information
Reference Range
Flurazepam
0 - 30 ng/mL
 
Desalkylflurazepam
30 - 150 ng/mL
 
Combined Total
30 - 180 ng/mL
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​80299 ​ ​ ​ ​
Synonyms/Keywords
​Dalmane®
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
Freeze immediately; ship frozen on dry ice​
Specimen Stability Information
Specimen Type Temperature
​Serum or Plasma ​Frozen
Rejection Criteria
Not Frozen
​Gel-barrier tubes
Reference Range Information
Reference Range
Flurazepam
0 - 30 ng/mL
 
Desalkylflurazepam
30 - 150 ng/mL
 
Combined Total
30 - 180 ng/mL
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Medtox Laboratories​ Performed daily​ 5 days​
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS-MS)​
Reference Lab
Medtox Laboratories
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​80299 ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.