Uric Acid in Urine
The uric acid urine test measures the amount
uric acid in a sample of urine collected over 24
Uric acid is made from the natural breakdown of your body's cells. It's also made
from the foods you eat. Your kidneys take uric acid out of your blood and put it into urine so that it can leave your body.
But if your body is making too
much uric acid, the level in the urine can get too high. And if your kidneys aren't working the way they should, the level of uric
acid in the urine can get too low.
High levels of uric acid can cause crystals to form in joints. This causes a painful
gout. If gout isn't treated, the crystals
can build up and form hard lumpy deposits
High uric acid levels can also cause
Why It Is Done
This test is done
- See if kidney stones were caused by
high uric acid levels.
- Find the cause of a high level
of uric acid in the blood and help choose the proper treatment.
How To Prepare
No special preparation is needed. You don't need to limit liquids or
foods before the test. Make sure you drink enough liquids during the 24-hour test so that you don't get dehydrated.
During the 24-hour period, don't drink alcohol. It lowers the amount of uric acid
eliminated by the kidneys.
Many medicines can change the results
of this test. Be sure to tell your doctor about all the over-the-counter and
prescription medicines you take.
Talk to your doctor about any
concerns you have regarding the need for the test, its risks, how it will be
done, or what the results may mean. To help you understand the importance
of this test, fill out the
medical test information form(What is a PDF document?).