Understand your serum uric acid blood test result and learn what elevated or low uric acid may mean, including gout risk and kidney stone relevance.
Uric acid is a waste product formed when the body breaks down purines — substances found naturally in the body and in certain foods. The serum uric acid test measures the level of uric acid in the blood.
Uric acid is a waste product formed when the body breaks down substances called purines. It is normally filtered by the kidneys and excreted in urine. When uric acid builds up in the blood, it can crystallise in joints and tissues.
Reference ranges vary slightly between laboratories. Commonly used reference ranges are 3.5–7.2 mg/dL for males and 2.6–6.0 mg/dL for females. Results should always be interpreted alongside clinical information.
Not necessarily. Many people with high uric acid never develop gout, while some people experience gout despite normal uric acid levels — particularly during an acute attack when levels can temporarily fall. A clinical diagnosis of gout requires medical assessment, including joint fluid analysis in some cases.
Yes. High uric acid may increase the risk of certain kidney stone types, particularly uric acid stones. Not all kidney stones are related to uric acid.
Common causes include genetic factors, reduced kidney excretion of uric acid, obesity, alcohol intake, high-purine foods (such as red meat, organ meats, shellfish), certain medicines and kidney disease. A medical review can help identify contributing factors.
Medical review is appropriate when uric acid remains persistently elevated, symptoms such as joint pain, swelling or skin nodules are present, kidney disease is known, or the result does not match the clinical picture. Do not start uric acid-lowering treatment without medical advice.
Common questions about uric acid blood test results — answered by Sineth Hospitals.
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