Nordesmethylvenlafaxine
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Venlafaxine and Metabolite (LC-MS/MS), Serum
Test ID: VENL S
Test
Aliases/Synonyms
Method
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Report Includes
Venlafaxine; O-desmethyl Venlafaxine; Venlafaxine+O-Desmethylvenlafaxine
Specimens
Avoid gel separator tubes; Serum
Important Note: TEST ID: VENL S
Non-interfaced clients should specify the Test ID VENL S to order this test.
A similar test is offered with slower turnaround time by a Canadian supplier lab: Venlafaxine and Metabolite, Serum/Plasma
Important Note: TEST ID: VENL S
Non-interfaced clients should specify the Test ID VENL S to order this test.
A similar test is offered with slower turnaround time by a Canadian supplier lab: Venlafaxine and Metabolite, Serum/Plasma
Test Location
Mayo Clinical Labs, Minnesota USA
Test Version
21-Mar-2023
Specimen
Specimens
Avoid gel separator tubes; Serum
Important Note: TEST ID: VENL S
Non-interfaced clients should specify the Test ID VENL S to order this test.
A similar test is offered with slower turnaround time by a Canadian supplier lab: Venlafaxine and Metabolite, Serum/Plasma
Important Note: TEST ID: VENL S
Non-interfaced clients should specify the Test ID VENL S to order this test.
A similar test is offered with slower turnaround time by a Canadian supplier lab: Venlafaxine and Metabolite, Serum/Plasma
Collection Containers
Preferred
Red top (no additive)
Sample Volume
1 mL
Minimum Volume
0.4 mL
Specimen Comment
Avoid gel separator tubes.
Collection & Handling
Handling Information
Store and send cold or frozen.
Stability
| Ambient | 28 days |
|---|---|
| Refrigerated | 28 days |
| Frozen | 28 days |
Rejection Criteria
| Specimen | Gel-separator tubes |
|---|---|
| Hemolysis | Gross |
| Lipemia | Gross |
| Icterus | Gross |
Test Version
21-Mar-2023
Performance / Interpretation
Method
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Turnaround Time
8 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| Venlafaxine | ng/mL |
|
||
| O-desmethyl Venlafaxine | ng/mL |
|
||
| Venlafaxine+O-Desmethylvenlafaxine | ng/mL |
|
||
Test Location
Mayo Clinical Labs, Minnesota USA
Test Version
21-Mar-2023
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| VENL S | 62104O-desmethyl Venlafaxine | ng/mL |
| 62103Venlafaxine | ng/mL | |
| 62105Venlafaxine+O-Desmethylvenlafaxine | ng/mL |
Test Version
21-Mar-2023