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22235 Amoxapine and 8-Hydroxy Amoxapine (13)

Amoxapine and 8-Hydroxy Amoxapine (13)
Test Code: MISC
Synonyms/Keywords
Asendin​
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

​Transfer separated serum or plasma to a plastic transport tube. 

Specimen Stability Information
Specimen Type Temperature Time
​Serum or Plasma ​ Ambient temperature is acceptable for shipping and/or short-term storage ​ 3 days​
Specimen may also be refrigerated or frozen for longer storage.​
Rejection Criteria
Gel-barrier tubes are NOT recommended.
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Medtox Laboratories​ Performed daily​ 3 days​
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Reference Lab
Reference Range Information
Performing Location Reference Range
Medtox Laboratories​ Amoxapine & 8-Hydroxyamoxapine (combined total):  200-400 ng/mL
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​80335
Synonyms/Keywords
Asendin​
Ordering Applications
Ordering Application Description
​COM ​Misc Test
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

​Transfer separated serum or plasma to a plastic transport tube. 

Specimen Stability Information
Specimen Type Temperature Time
​Serum or Plasma ​ Ambient temperature is acceptable for shipping and/or short-term storage ​ 3 days​
Specimen may also be refrigerated or frozen for longer storage.​
Rejection Criteria
Gel-barrier tubes are NOT recommended.
Reference Range Information
Performing Location Reference Range
Medtox Laboratories​ Amoxapine & 8-Hydroxyamoxapine (combined total):  200-400 ng/mL
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Medtox Laboratories​ Performed daily​ 3 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
​80335
For most current information refer to the Marshfield Laboratory online reference manual.