Normal range: 2-10 mg/24hrs

Comment: VMA is used for diagnosis and follow-up of neuroblastoma, ganglioneuroma, and ganglioneuroblastoma. Most neuroblastoma patients excrete excess HAV in 24-hour collections. If VMA and HVA are both used in work up, up to 80% of cases will be detected. VMA is also used in the diagnosis of pheochromocytoma with metanephrines, imaging, and other tests

Sample: 24 hr urine, State volume

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