{"id":"metanephrine-urine","name":"Metanephrine, 24-Hour Urine","shortName":"Urine metanephrine","aliases":["Metanephrine, Urine","Urine Metanephrine","Metanephrine, Urine, 24h","Urine Metanephrine, 24-Hour","Urine Metadrenaline","Metadrenaline, 24h Urine","Metanephrine, U, 24 hr","Metanephrine, Urine - per 24h","Metanephrine, U","Metadrenaline, Urine (24hr)","24 Hour Urine Metanephrine"],"abbreviations":[],"loinc":[{"code":"19049-6","primary":true},{"code":"104629-1","primary":false},{"code":"11140-1","primary":false}],"specimen":"urine-24h","units":[{"ucum":"ug/(24.h)","display":"µg/24 h"},{"ucum":"nmol/(24.h)","display":"nmol/24 h"},{"ucum":"umol/(24.h)","display":"µmol/24 h"}],"referenceRanges":[{"population":"Men, 18+","low":58,"high":276,"unit":"ug/(24.h)","unitDisplay":"µg/24 h","note":"Labcorp interval (LC-MS/MS) for men 18 and older. Other labs differ: Mayo Clinic Laboratories prints 44–261 µg/24 h (men 18 and older without high blood pressure) and ARUP prints 55–320 µg/24 h. Mayo and ARUP also describe a cut-off of under 400 µg/24 h for people with high blood pressure. Use the range printed on your own report.","sources":[{"title":"Metanephrines, Fractionated, Quantitative, 24-Hour Urine (test 004234)","url":"https://www.labcorp.com/tests/004234/metanephrines-fractionated-quantitative-24-hour-urine","publisher":"Labcorp"},{"title":"Metanephrines, Fractionated, 24 Hour, Urine (test METAF)","url":"https://www.mayocliniclabs.com/test-catalog/overview/83006/metanephrines-fractionated-24-hour-urine","publisher":"Mayo Clinic Laboratories"},{"title":"Metanephrines Fractionated by HPLC-MS/MS, Urine (test 2007996)","url":"https://ltd.aruplab.com/Tests/Pub/2007996","publisher":"ARUP Laboratories"}]},{"population":"Women, 18+","low":36,"high":209,"unit":"ug/(24.h)","unitDisplay":"µg/24 h","note":"Labcorp interval (LC-MS/MS) for women 18 and older. Other labs differ: Mayo Clinic Laboratories prints 30–180 µg/24 h (women 18 and older without high blood pressure) and ARUP prints 36–229 µg/24 h. Mayo and ARUP also describe a cut-off of under 400 µg/24 h for people with high blood pressure. Use the range printed on your own report.","sources":[{"title":"Metanephrines, Fractionated, Quantitative, 24-Hour Urine (test 004234)","url":"https://www.labcorp.com/tests/004234/metanephrines-fractionated-quantitative-24-hour-urine","publisher":"Labcorp"},{"title":"Metanephrines, Fractionated, 24 Hour, Urine (test METAF)","url":"https://www.mayocliniclabs.com/test-catalog/overview/83006/metanephrines-fractionated-24-hour-urine","publisher":"Mayo Clinic Laboratories"},{"title":"Metanephrines Fractionated by HPLC-MS/MS, Urine (test 2007996)","url":"https://ltd.aruplab.com/Tests/Pub/2007996","publisher":"ARUP Laboratories"}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"Measures metanephrine, a breakdown product of adrenaline, in all the urine you collect over 24 hours. Doctors use it to look into adrenal gland tumors.","url":"https://bloodtesttracker.com/markers/metanephrine-urine","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}