Laboratory Medicine
Test catalogue
Free Metanephrine, (Metanephrine, Normetanephrine, 3-Methoxytyramine), Random Urine | |
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Test nameFree Metanephrine, (Metanephrine, Normetanephrine, 3-Methoxytyramine), Random Urine |
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Specimen Type / RequirementsContainer Type = Sterile Container Minimum Testing Volume = 25mL Urine |
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Specimen HandlingCollection Instructions: Collect random urine in a sterile container. It is important that the urine is refrigerated during the collection. Restrict caffeine, nicotine and alcohol 24hrs prior to collection. Discontinue Methyldopa (Aldomet) at least 5 days prior to collection. Laboratory Staff Instructions: Acidify aliquot with 6 mol/L (6N) HCl. The final pH of the urine must be 2.0 - 4.0 before analysis. Stability: stable for 1 month refrigerated at 2-8°C and longer if frozen. Transportation: Send sample to SMH core lab as soon as possible. Sample Rejection Criteria: Unlabeled, leaky or samples of non sufficient quantity. |
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Required Documentation |
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Turnaround Time (TAT)10 Days |
Test Utilization |
Reference ValueFree Metanephrine/Creatinine Ratio : < 31 nmol/mmol creatinine 3-Methoxytyramine/Creatinine Ratio : < 45.0 nmol/mmol creatinine |
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Test CodeUMETF |
Methodologyliquid chromatography-mass |
Testing LocationSMH-Biochemistry |
Other InformationLast Updated: April 27, 2020 |