Venlafaxine and Metabolite Screen, Blood Test (9447B)

Venlafaxine and Metabolite Screen, Blood Test (9447B)

Analysis Code 9447B 
Test Name Venlafaxine and Metabolite Screen, Blood 
Test Includes O-Desmethylvenlafaxine; Venlafaxine 
Compound Synonym(s) Desvenlafaxine; Effexor®; Pristiq®; Venlafaxine Metabolite 
Purpose Exclusion Screen; This test is New York State approved. 
Category Antidepressant 
Method(s) High Performance Liquid Chromatography/
TandemMass Spectrometry (LC-MS/MS) 
Specimen Requirements 2 mL Blood 
Transport Temperature Refrigerated 
Specimen Container NMS Labs has no experimental or literature-based data regarding the choice of specific specimen collection containers for this test. 
Special Handling None 
Light Protection Required Not Required 
Stability Room Temperature: 14 day(s)
Refrigerated: 14 day(s)
Frozen (-20 °C): 5 month(s) 
*Rejection Criteria None 
Day(s) Test Set-up / TAT [LC-MS/MS] Monday Wednesday Friday / 3 days 
Suggested CPT Code 80307 
**Minimum Volume 0.65 mL 
Reflex Testing
(when required, addl' fee may apply)
5727B - Venlafaxine and Metabolite Confirmation, Blood 
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You are viewing Venlafaxine and Metabolite Screen, Blood Test (9447B)
*Rejection criteria pertain to clinical specimen submissions only.
**Stated minimum volume allows for a single analysis. Repeat analysis will not be performed.


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