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26095 Trazodone, Serum or Plasma (124)

Trazodone, Serum or Plasma (124)
Test Code: TRAZSO
Synonyms/Keywords
​Desyrel, Oleptro
Test Components
Serum or plasma test for Trazodone.
Useful For
Therapeutic Drug Management
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No ​ ​Serum ​Red Top Tube (RTT) ​ ​1 mL ​0.2 mL ​
​Plasma ​Green Top Tube (GTT) ​ ​1 mL ​0.2 mL ​
Collection Processing Instructions

Trough levels are most reproducible.

Gel-barrier tubes are not recommended.

Specimen Stability Information
Specimen Type Temperature Time
​Serum/Plasma ​ ​ ​Ambient ​3 days
​Refrigerate ​1 week
​Frozen ​Indefinitely
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Medtox Laboratories Monday through Sunday ​5 days ​Liquid Chromatography/Tandem Mass Spectrometry (LC/MS-MS)
Reference Lab
Medtox Laboratories
Reference Range Information
Performing Location Reference Range
​Medtox Laboratories ​Reference Range: 800-1600 ng/mL
Outreach CPTs

CPT Modifier
(if needed)		 Quantity Description Comments
​80299
 ​

 ​1

 ​

 ​

Synonyms/Keywords
​Desyrel, Oleptro
Test Components
Serum or plasma test for Trazodone.
Ordering Applications
Ordering Application Description
​Centricity ​Trazodone, Serum or Plasma (124)
​Cerner ​Trazodone, Serum or Plasma (124)
​COM ​Trazodone, Serum or Plasma (124)
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No ​ ​Serum ​Red Top Tube (RTT) ​ ​1 mL ​0.2 mL ​
​Plasma ​Green Top Tube (GTT) ​ ​1 mL ​0.2 mL ​
Collection Processing

Trough levels are most reproducible.

Gel-barrier tubes are not recommended.

Specimen Stability Information
Specimen Type Temperature Time
​Serum/Plasma ​ ​ ​Ambient ​3 days
​Refrigerate ​1 week
​Frozen ​Indefinitely
Useful For
Therapeutic Drug Management
Test Components
Serum or plasma test for Trazodone.
Reference Range Information
Performing Location Reference Range
​Medtox Laboratories ​Reference Range: 800-1600 ng/mL
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Medtox Laboratories Monday through Sunday ​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
 ​

 ​1

 ​

 ​

For most current information refer to the Marshfield Laboratory online reference manual.