Casandra
Casandra Test Code QD45845Version 1 (DRAFT)
Performing Lab
Metanephrines, Fractionated, LC/MS/MS, Random Urine
Also known as: Metanephrine, Normetanephrine
Clinical Use
Order TestUse
Not provided.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Other
Biomarkers
Metanephrine
AnalyteMetanephrine
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Normetanephrine
AnalyteNormetanephrine
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Total Metanephrines
AnalyteTotal Metanephrines
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
2-4 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Urine
Volume
Not provided
Minimum Volume
Not provided
Collection Instructions
Collect 24-hour urine with 25 mL 6N HCl to maintain a pH <= 3. If no preservative is used, specimen must be stored refrigerated during collection but shipped frozen and pH must be <= 6.0. Record 24-hour urine volume and patient's age on test request form and on urine container.
Causes for Rejection
Urine collected with boric acid
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 10 days (preserved) |
| Refrigerated | 14 days (preserved) |
| Frozen | 90 days (preserved), 30 days (unpreserved frozen) |
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