Casandra
Casandra Test Code LC09841Version 1 (DRAFT)
Performing Lab
Venlafaxine and Desmethylvenlafaxine, Serum or Plasma
Also known as: Effexor®
Clinical Use
Order TestUse
Therapeutic drug management
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Other
Biomarkers
Desmethylvenlafaxine
AnalyteDesmethylvenlafaxine
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Venlafaxine
AnalyteVenlafaxine
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
LOINC Codes
Order Codes
- 9628-9 - ODV SerPl-mCnc
- 9630-5 - Venlafaxine SerPl-mCnc
Result Codes
- 9630-5 - Venlafaxine SerPl-mCnc
- 9628-9 - ODV SerPl-mCnc
Result Turnaround Time
7-10 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
3 mL
Minimum Volume
0.6 mL
Container
Red-top tube or green-top (heparin) tube; gel-barrier tubes not recommended
Collection Instructions
Separate serum or plasma from cells within two hours of venipuncture; submit in a plastic transport tube
Patient Preparation
Trough levels are most reproducible
Storage Instructions
Transport at room temperature if <3 days; refrigerate or freeze for storage beyond three days
Causes for Rejection
Gel-barrier tubes
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | <3 days |
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