Casandra
Casandra Test Code QD15304Version 1 (DRAFT)
Performing Lab
Nortriptyline
Also known as: Aventyl, Pamelor®
Clinical Use
Order TestUse
Nortriptyline is a tricyclic antidepressant. Therapeutic drug levels are monitored to assist the physician assessing therapeutic response and to avoid toxicity. (Derived from Quest Diagnostics Nichols Institute Test Code NOR, Quest Code 272)([jdos.nicholsinstitute.com](https://jdos.nicholsinstitute.com/dos/BGMC/test/631685?utm_source=openai))
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Mass Spectrometry
Biomarkers
Nortriptyline
AnalyteQuantitation • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
1-4 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
3 mL
Minimum Volume
1.5 mL
Container
red‑top tube (no gel)
Collection Instructions
Collect at steady‑state trough concentration. Specimen should be collected >12 hours after dose.
Causes for Rejection
Gross hemolysis; Gel barrier/Serum separator tube (SST)
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 5 days |
| Refrigerated | 7 days |
| Frozen | 30 days |
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