VENLAFAXINE SERUM

General Information

HLAB/HOL Code: VENL
UPHSM LIS Test #: 024310
Schedule:
Testing Time: 1-4 Days
Testing Lab: Mayo

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 1.0 mL
Temperature: Refrigerated
Tube Type: Serum
Collection Info:
Collection Container/Tube: Red top (serum gel/SST are not acceptable)
Collection Instructions:
1. Draw blood immediately before next scheduled dose.
2. Blood drawn from patients 12 hours after an oral dose is also appropriate. It is customary to treat the patient at bedtime with a dose, and then collect specimen the following morning prior to next dose.
3. Centrifuge and aliquot serum into a plastic vial within 2 hours of collection.

Specimen Acceptability

REJECT DUE TO:
Gross hemolysis: OK
Gross lipemia: OK
Gross icterus: OK

Methods

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

Clinical Utilities

Monitoring serum concentration during therapy
Evaluating potential toxicity
Evaluating patient compliance

CPT Codes

80299

* The CPT codes provided 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 payer being billed.