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Test ID:
FRMET P
Metanephrines and 3-Methoxytyramine LC-MS/MS, Plasma
Test Overview
Method
Liquid chromatography-tandem mass spectrometry (LC-MS/MS)
Result Included
Metanephrine; Normetanephrine; 3-Methoxytyramine
Aliases/Synonyms
Fractionated metanephrines
Specimen
Specimen Type
Plasma (EDTA)Volume
Sample Volume
1.0 mL
Minimum Volume
0.6 mL
Patient Preparation
The following patient preparation is recommended but not mandatory.
- Overnight fasting
- Abstaining from smoking tobacco for at least 4 hours prior to collection
- Resting in the supine position for 15 minutes before and during collection
- If epi pen is given, wait for 24 hours before collection.
Collection & Handling
Handling Information
Separate within 2 hours of collection. Store and send frozen.
Stability
| Refrigerated | Frozen |
|---|---|
| 14 days | Up to 1 year |
Rejection Criteria
| Criteria | Specification |
|---|---|
| Specimen | Serum |
| Hemolysis | Gross |
Performance & Interpretation
Turnaround Time
11 days
Results
Name
Units
Reference Range
Conversion
-
Metanephrinenmol/L< 0.50
-
Normetanephrinenmol/L< 0.90
-
3-Methoxytyraminenmol/L< 0.30
Referral Location
Canada
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| FRMET P | Metanephrine, plasma | 62896 | nmol/L |
| Normetanephrine, plasma | 62897 | nmol/L | |
| 3-Methoxytyramine, plasma | 62898 | nmol/L |
Test Version
Last Updated
2025-10-03