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Urine MetanephrineAka: 24-hour Urine Metanephrine

Preparation
1. Stop agents altering metanephrines before checking
2. See Pheochromocytoma for agents to avoid before test
Normal
1. Urine Metanephrines: 0 to 2.0 mg per 24 hours
Increased
1. Pheochromocytoma
2. Neuroblastoma
3. Stress
4. Drugs or medications
  1. Caffeine
  2. Phenothiazines
  3. MAO inhibitor
Alternative options
1. Serum Metanephrines

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This page was written by Scott Moses, MD. This page was last revised before 5/10/08, prior to consistent tracking of revision date. This page was last published on 5/10/2008. Please send comments and questions to the editor. Contact information may be found on the page About the Family Practice Notebook. These pages are best viewed with Microsoft Internet Explorer 6.0.