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Test Name:
Venlafaxine and Metabolite, Serum or Plasma
- SBMF No:
45193 - Performance Lab Name:
NMS Labs - Test Mnemonic:
VENLAFAX S - ABN:
Not required - CPT Code:
80299 - LOINC Code:
19146-0; 19146-0 - Ref Lab Test No:
4767SP (ARUP# 0090832) - Test Includes:
Venlafaxine, o-Desmethylvenlafaxine - Also Known As:
Desvenlafaxine, Effexor®, Norvenlafaxine, Pristiq®, Venlafaxine Metabolite - Spec Type:
Serum or plasma - Spec Container:
Red top (serum), Lavender top (EDTA), Green top (heparin), or Gray top (fluoride/oxalate) tube **
** NMS Labs has no experimental or literature-based data regarding the choice of specific specimen collection containers for this test
- Pref Vol:
1.0 mL - Spec Collect:
Do not use gel-barrier tubes for specimen collection
Routine venipuncture - Spec Process:
Serum sample tubes, clot 30 minutes
Promptly centrifuge 15 minutes
Immediately transfer serum or plasma to separate plastic tube - Spec Store Transport:
Refrigerated - Spec Stability:
14 days room temperature (20-30°C)
14 days refrigerated (2-8°C)
14 days frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Spec Reject:
Specimen collected in polymer gel separation tube (SST or PST) - Methodology:
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) - Use:
Therapeutic Drug Monitoring - Clinical Significance:
Antidepressant - Reference Range:
By report - Additional Test Info:
This test is referred through ARUP Laboratories - Day Run:
Varies - Time Reported:
Varies - Test Type:
TOX-TDM
