Casandra
Casandra Test Code QD24805Version 1 (DRAFT)
Performing Lab
Lab Quest DiagnosticsLab Test ID 37562
Norepinephrine, Plasma
Clinical Use
Order TestUse
Measurement of plasma norepinephrine levels for evaluation of catecholamine-related disorders such as pheochromocytoma, paraganglioma, or autonomic dysfunction. It aids in the assessment of unexplained hypertension, tachycardia, or other symptoms associated with catecholamine imbalance.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Mass Spectrometry
Biomarkers
Norepinephrine
AnalyteNorepinephrine, Plasma • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
LOINC Codes
Order Codes
- 85992341
Result Codes
- 85992341
Result Turnaround Time
6-7 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Plasma
Volume
2 mL preferred; 1 mL minimum
Minimum Volume
1 mL
Container
Sodium heparin (green-top) tube; acceptable alternative EDTA (lavender-top) tube
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 6 hours |
| Refrigerated | 6 hours |
| Frozen | 60 days |