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Labcorp Oklahoma, Inc.
Test Directory


Index:

Venlafaxine/Metabolite Level

Order Name VENLAFAXIN
Test Number: 4503150
Revision Date 12/30/2022
Test Name Methodology LOINC Code
Venlafaxine/Metabolite Level
High-pressure liquid chromatography (HPLC) with fluorometric detection  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 3 mL (0.6 mL) Plasma Lithium Heparin (Dark Green Top / No-Gel) Refrigerated
Alternate 1 3 mL (0.6 mL) Serum Clot Activator (Red Top, No-Gel) Refrigerated
Instructions Specimen Type: Red-top tube OR green-top (heparin) tube. Gel-barrier tubes are NOT recommended.
Specimen Storage: SUBMISSION/TRANSPORT (<3 days): Room Temperature. For storage beyond three days, specimen should be refrigerated or frozen.
Specimen Collection: Serum or plasma should be separated from cells within two hours of venipuncture. Submit serum or plasma in a plastic transport tube.
Special Instructions: Testing referred to MEDTOX Laboratories Inc TC 179
GENERAL INFORMATION
Expected TAT 7 - 10 days  
Notes Labcorp Test Code: 808514
CPT Code(s) 80299
Lab Section Reference Lab