Why The Test Is Performed The most common reason for measuring uric acid levels is in the diagnosis or treatment of gout , because gout results from crystallization of uric acid crystals in joints. Some kidney stones are also composed of uric acid.
Uric acid is the end-product of purine catabolism.
A 24-hour urine sample is needed. The health care provider will instruct you, if necessary, to discontinue drugs that may interfere with the test. On day 1, urinate into the toilet upon arising in the morning. On day 2, urinate into the container in the morning upon arising. Cap the container.