Lab

Urine Metanephrine

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Urine Metanephrine, 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