Specimen Requirements
Title
Venlafaxine (Effexor)
Specimen Requirement
Draw immediately before next scheduled dose.
Draw blood in a plain red-top tube/1.0 mL serum. Spin, separate and send refrigerated.
Methodology
Stability
Room Temperature or Refrigerated 14 days
Reference Range
By Report*
Turnaround
5-7 days
Clinical Use
Test Code
VENW