Venlafaxine and Metabolite
Effexor®, ARUP #2007957, EPIC: LAB6348, SOFT: XVENL
Specimen Collection Criteria
Collect (preferred specimen): One plain Red-top tube.
Also acceptable: One Lavender-top EDTA tube.
Do not use Serum Separator Tubes.
Physician Office/Drawsite Specimen Preparation
Centrifuge to separate serum or plasma from cells within two hours collection. Transfer serum or plasma to a plastic transport tube and refrigerate (2-8°C or 36-46°F).
Preparation for Courier Transport
Transport: 1.0 mL serum or plasma, refrigerated (2-8°C or 36-46°F). (Min: 0.5 mL)
- Serum Separator (SST) tubes.
- Specimens not collected and processed as indicated.
Specimen Stability for Testing:
Room Temperature (20-26°C or 68-78.8°F): 14 days
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 14 days
Specimen Storage in Department Prior to Disposal:
Specimen retention time is determined by the policy of the reference laboratory. Contact the Sendout Laboratory with any questions.
Sent to ARUP Laboratories, Salt Lake City, UT.
Results available in 2-6 days.
Therapeutic Range: 195-400 ng/mL (total - venlafaxine and o-desmethylvenlafaxine).
Toxic Range: Not well established.
Quantitative Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS).
Effexor (venlafaxine hydrochloride) is an antidepressant for oral administration. It is indicated for the treatment of depression. This assay is used for the therapeutic monitoring and toxicity assessment of venlafaxine.
80338 alt G0480.
ARUP #2007957, EPIC: LAB6348, SOFT: XVENL
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This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills,
Grosse Pointe, Royal Oak, and Troy campuses.