VMA (VANILMANDE LIC ACID), 24 HOUR URINE
50 mL (10 mL min.) aliquot of 24 hour urine. Collect urine with appropriate volume of 50% HCl to maintain pH between 1-2. Do not use concentrated HCl. Record 24 hour volume on test request form and urine container. Ship refrigerated or frozen. Patient should strictly avoid Theophylline, chocolate, vanilla, banana, alcoholic beverages, tea/coffee, tobacco and strenuous exercise at least 72 hrs before and during specimen collection.
Sample by 1pm
Report Same Day Evening