Serum or plasma mass concentration of uric acid (quantitative)

Why This Test Matters

Uric acid is a waste product your body creates when it processes certain foods and compounds. While small amounts are normal, too much can lead to painful joint inflammation (gout) or kidney stones. This test helps doctors track how well your body is handling uric acid and identify potential problems early.

What to Expect Before the Test

No special preparation is usually needed, but your doctor may advise avoiding certain foods or medications for a day or two before testing. For blood tests, you’ll typically have a small needle inserted into your arm, and you may feel a slight pinch. For urine tests, you’ll collect a sample in a clean container.

Common Causes of High or Low Levels

High uric acid levels may be linked to diet (rich in purines), certain medical conditions (like diabetes or kidney disease), or medications. Low levels are less common but could result from genetic factors, liver or kidney problems, or certain medications. Your doctor will consider your overall health when interpreting results.

How Results Are Used

Your doctor will compare your results to a reference range (provided by your lab) to check for abnormalities. High levels may prompt further testing for gout, kidney disease, or other metabolic disorders. Low levels might raise questions about underlying health conditions or medication effects.