II. Technique
- Stop agents altering metanephrines before checking
- See Pheochromocytoma for agents to avoid before test
III. Normal
- Urine Metanephrines: 0 to 2.0 mg per 24 hours
IV. Increased
- Pheochromocytoma
- Neuroblastoma
- Stress
- Drugs or medications
V. Alternative options
- Serum Metanephrines