The 24-hour urine vanillylmandelic acid test measures the amount of this metabolite in the urine, which is crucial for diagnosing pheochromocytoma and other catecholaminergic disorders.
Collect all urine voided over a 24-hour period in an appropriate container, acidify, refrigerate, and send a 50 mL aliquot. It is important to indicate the total volume of urine collected. Avoid consuming coffee, tea, chocolate, vanilla, pineapple, banana, and medications 3 days prior to collection.
Muestra
24-hour urine, aliquot (50 mL)
Resultados
Your results will be available in 4 to 5 business days
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