24 Hour Urine Uric Acid

You should get a 24-hour urine uric acid test if you have gout or high blood uric acid, to find out whether your body overproduces or underexcretes uric acid. It is also recommended for recurrent kidney stones, before choosing gout medicines, and for patients with leukemia or lymphoma receiving chemotherapy.

To prepare for a 24-hour urine uric acid test, discard your first morning urine and note the time. Then collect all urine for the next 24 hours, including the next morning's first sample, and keep the container refrigerated. Follow your usual diet unless advised otherwise, avoid alcohol, and inform your doctor about gout medicines, diuretics, or aspirin.

No, fasting is not required for a 24-hour urine uric acid test. You should eat your usual diet during the collection period unless your doctor advises a special diet. Avoid alcohol, drink fluids normally, and collect every urine sample over the full 24 hours for accurate results.