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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 ​0.3 mL
​Plasma ​Lithium-heparin Green Top Tube or Sodium-heparin Green Top Tube (GTT) 2 mL​ ​0.3 mL
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 lomger storage.​
Rejection Criteria
Serum Separator Tube (SST)
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Medtox Laboratories​ Performed daily​ 3 days​
High Performance Liquid Chromatography with Ultraviolet Detection; (HPLC-UV)
Reference Lab
Reference Range Information
Performing Location Reference Range
Medtox Laboratories​
Amoxapine, ng/ml
Report Limit
10 ng/ml
8-Hydroxyamoxapine, ng/ml
Report Limit
10 ng/ml
Amoxapine and metabolite, ng/ml
Report Limit
10 ng/ml
Reference Range
200 - 400 ng/ml
Critical Value - High
600 ng/ml

Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​80355
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 ​0.3 mL
​Plasma ​Lithium-heparin Green Top Tube or Sodium-heparin Green Top Tube (GTT) 2 mL​ ​0.3 mL
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 lomger storage.​
Rejection Criteria
Serum Separator Tube (SST)
Reference Range Information
Performing Location Reference Range
Medtox Laboratories​
Amoxapine, ng/ml
Report Limit
10 ng/ml
8-Hydroxyamoxapine, ng/ml
Report Limit
10 ng/ml
Amoxapine and metabolite, ng/ml
Report Limit
10 ng/ml
Reference Range
200 - 400 ng/ml
Critical Value - High
600 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​
High Performance Liquid Chromatography with Ultraviolet Detection; (HPLC-UV)
Reference Lab
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​80355
For most current information refer to the Marshfield Laboratory online reference manual.