Two metanephrine test descriptions are available.
Plasma free metanephrine This test is used to help diagnose or rule out a a catecholamine-secreting tumour (phaeochromocytoma or paraganglioma) and is performed on a blood sample.
Metanephrine urine 24h This test also helps in the diagnosis or ruling out of a catecholamine-secreting tumour (phaeochromocytoma or paraganglioma) and is performed on a 24-hour urine sample.
Last Review Date: March 21, 2021