Casandra
Casandra Test Code LC72053Version 1 (DRAFT)
Performing Lab
Escitalopram, Serum or Plasma
Also known as: Lexapro®
Clinical Use
Order TestUse
Therapeutic drug management
Special Instructions
Not provided.
Limitations
This assay does not differentiate escitalopram from racemic citalopram, meaning it may detect citalopram as escitalopram and cannot distinguish between the two forms.
Test Details
Methodology
Mass Spectrometry
Biomarkers
Desmethylcitalopram
AnalyteDesmethylcitalopram
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Escitalopram
AnalyteEscitalopram
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
LOINC Codes
Order Codes
- 34405-1 - Escitalopram SerPl-mCnc
- 35106-4 - Norcitalopram SerPl-mCnc
Result Codes
- 34405-1 - Escitalopram SerPl-mCnc
- 35106-4 - Norcitalopram SerPl-mCnc
Result Turnaround Time
7-10 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
2 mL
Minimum Volume
0.5 mL
Container
Red-top tube or lavender-top (EDTA) tube; gel‑barrier tubes not recommended
Collection Instructions
Serum or plasma must be separated from cells within 45 minutes of venipuncture.
Storage Instructions
Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.
Causes for Rejection
Gel‑barrier tubes
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 3 days |
| Refrigerated | 3 days |
| Frozen | 2 weeks |
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