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Two metanephrine test descriptions are available. Please select one:

  • Plasma Free Metanephrines: This test is used to help diagnose or rule out a pheochromocytoma (tumor of the adrenal gland) and is performed on a blood sample.
  • Urine Metanephrines: This test also helps in the diagnosis or ruling out of a pheochromocytoma as well as other neuroendocrine tumors and is performed on a 24-hour urine sample.