Uric Acid Test
A blood test that measures uric acid, high levels of which can cause gout and kidney stones.
Quick Summary
To help diagnose gout and monitor uric-acid-lowering treatment.
Uric acid in the blood.
Some labs ask you to fast.
Overview
Uric acid comes from breaking down purines in food and body cells.
A high level doesn't always cause gout, and levels can be normal during an attack.
What It Measures
Uric acid
Blood level.
How It's Performed
- 01
Preparation
Usually no special preparation. Tell the staff about medicines you take.
- 02
Blood sample
A small amount of blood is taken from a vein in your arm with a thin needle.
- 03
Afterwards
Press on the spot for a minute. A small bruise is common; you can go back to normal activities.
Reference Ranges
Note: Normal ranges vary by laboratory. Consult your report for the specific reference used.
| Parameter | Typical Range (Adult) | Units |
|---|---|---|
| Uric acid (men) | 3.4–7.0 | mg/dL |
| Uric acid (women) | 2.4–6.0 | mg/dL |
Interpreting Results & Next Steps
Discuss with Doctor
Treatment usually aims for below 6 mg/dL in gout. Normal ranges differ between laboratories, ages and sexes; always use the range printed on your report and ask your doctor what your results mean.
If values are High:
High uric acid increases the risk of gout and kidney stones; diet, alcohol, kidney disease and some medicines raise it.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Uric Acid Test(opens in a new tab) · MedlinePlus, US National Library of Medicine