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Venlafaxine and Metabolite (UPLC-MS/MS), Serum/Plasma

Test ID: VENLA S

Test

Aliases/Synonyms

O-Desmethylvenlafaxine

Method

Ultra performance liquid chromatography and tandem mass spectrometry (UPLC-MS-MS)

Report Includes

Venlafaxine; Norvenlafaxine; Venlafaxine + Norvenlafaxine

Specimens

Serum; Plasma (EDTA)

Important Note: TEST ID: VENLA S
Non-interfaced clients should specify the Test ID VENLA S to order this test.
A similar test is offered with faster turnaround time by a non-Canadian supplier lab: Venlafaxine, Serum

Test Location

Laboratoire de toxicologie, 945 ave Wolfe, Quebec, QC G1V 5B3

Test Version

21-Mar-2023

Specimen

Specimens

Serum; Plasma (EDTA)

Important Note: TEST ID: VENLA S
Non-interfaced clients should specify the Test ID VENLA S to order this test.
A similar test is offered with faster turnaround time by a non-Canadian supplier lab: Venlafaxine, Serum

Collection Containers

Preferred

Lavender top (EDTA)

Acceptable

Red top (no additive)

Sample Volume

1 mL

Minimum Volume

0.3 mL

Collection & Handling

Handling Information

Store and send cold or frozen.

Stability

Refrigerated 2 weeks
Frozen 1 month

Test Version

21-Mar-2023

Performance / Interpretation

Method

Ultra performance liquid chromatography and tandem mass spectrometry (UPLC-MS-MS)

Turnaround Time

20 days

Results

Name Units Reference Range Conversion Factor
Norvenlafaxine µmol/L
Reported detection limit: 0.030 µmol/L
Venlafaxine µmol/L
Reported detection limit: 0.030 µmol/L
Venlafaxine + Norvenlafaxine µmol/L
  • 0.36 - 1.5
Reported detection limit: 0.030 µmol/L

Test Location

Laboratoire de toxicologie, 945 ave Wolfe, Quebec, QC G1V 5B3

Test Version

21-Mar-2023

Interface / Setup

HL7 Interface Codes

Order Code Result Codes Units
VENLA S 23976Norvenlafaxine (metabolite) umol/L
23978Venlafaxine umol/L
23980Venlafaxine+Norvenlafaxine umol/L

Test Version

21-Mar-2023