Effexor (Venlafaxine)

Test Code

EFFEXOR

Quest Code

16325

CPT Codes
80299

Includes

Venlafaxine and o-Desmethylvenlafaxine

Preferred Specimen

1 mL serum collected in a red-top tube (no gel)

Minimum Volume

0.5 mL

Other Acceptable Specimens

Plasma collected in an EDTA (pink-top) tube

Instructions

Promptly centrifuge and separate serum or plasma into a plastic screw-capped vial using approved guidelines.

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 14 days
Refrigerated: 14 days
Frozen: 14 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Polymer gel separation tube (SST^® or PST)

Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

FDA Status
This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the US Food and Drug Administration.

Setup Schedule

Set up: As needed; Report available: 4 days

Reference Range

See Laboratory Report

Performing Laboratory
NMS Labs
200 Welsh Rd
Horsham, PA 19044

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.