VMA, Qualitative Screening – Spot Urine
The test is used to diagnose Pheochromocytoma and Paraganglioma and is used to screen children for Catecholamine secreting tumours. It is also useful in supporting a diagnosis for Neuroblastoma.
How to prepare for the test?
Patient should strictly avoid Alpha-one blockers, Aminophylline, Amphetamines, Ampicillin, Beta-blockers, Ephedrine, Imipramine, Methyldopa, MAO inhibitors, Nicotine, Phenacetin, Phenothiazine, Theophylline, Vasodilators, Aspirin, PAS, Alpha-2 agonists, Bromocriptine, Calcium channel blocke(long term use), Clofibrate MAO inhibitors, Propranolol, Penicillin, Reserpine, Thyroxine, Alpha-methyldopa, Isoproterenol, Labetalol, Mandelamine, Paracetamol, Cimetidine, Metoclopramide, vigorous exercise, alcoholic beverages, tea/coffee, tobacco , chocolate, vanilla & banana at least 72 hours before and during specimen collection.