{"id":19346,"date":"2024-04-17T00:29:36","date_gmt":"2024-04-17T04:29:36","guid":{"rendered":"https:\/\/insidesurgery.com\/?p=19346"},"modified":"2024-04-17T00:29:36","modified_gmt":"2024-04-17T04:29:36","slug":"metanephrine-testing","status":"publish","type":"post","link":"https:\/\/insidesurgery.com\/2024\/04\/metanephrine-testing\/","title":{"rendered":"Metanephrine Testing"},"content":{"rendered":"<p>Laboratory investigation to help elucidate the presence of pheochromocytoma or paraganglioma is always utilized. The work up includes urine testing for presence of abnormal amounts of metanephrines.<\/p>\n<p>The astute clinician should always consider the possibility of a falsely elevated test in this situation. The following substances may cause an abnormally high level of metanephrines in the urine<\/p>\n<p>caffeine<br \/>\nnicotine<br \/>\ncalcium channel blocders<br \/>\nlevodopa<br \/>\ntricyclic antidepressants<br \/>\nmonoamine oxidase inhibitors<br \/>\nphenoxybenzamine<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Reference<\/strong><\/p>\n<p>Oxford Textbook of Endocrinology and Diabetes, 3rd ed., p. 855<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Laboratory investigation to help elucidate the presence of pheochromocytoma or paraganglioma is always utilized. The work up includes urine testing for presence of abnormal amounts of metanephrines. The astute clinician should always consider the possibility of a falsely elevated test in this situation. The following substances may cause an abnormally high level of metanephrines in [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[59,5134],"tags":[6239,6238,1197,566],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Metanephrine Testing - InsideSurgery Medical Information Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/insidesurgery.com\/2024\/04\/metanephrine-testing\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Metanephrine Testing - InsideSurgery Medical Information Blog\" \/>\n<meta property=\"og:description\" content=\"Laboratory investigation to help elucidate the presence of pheochromocytoma or paraganglioma is always utilized. The work up includes urine testing for presence of abnormal amounts of metanephrines. The astute clinician should always consider the possibility of a falsely elevated test in this situation. 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