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Uric Acid (Urine)
57.00
The Urine Uric Acid test measures how much uric acid is excreted in the urine. It helps assess gout risk, kidney stone formation, and uric acid metabolism.
Turnaround time
1-2 days
Biomarkers count
1
Same-Day Appointments
UKAS Accredited Labs
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Under 18? Patients under 18 can only be seen at GB Medlabs and Clinilabs, Monday to Friday only.
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Details about Uric Acid (Urine)
What is the Uric Acid (Urine) test?
The Uric Acid (Urine) test measures the amount of uric acid eliminated by the kidneys over a urine sample. Uric acid is produced when the body breaks down purines from food and normal cell turnover.
Unlike a blood uric acid test, urine testing evaluates how efficiently the kidneys are clearing uric acid. This helps distinguish whether high blood uric acid is caused by overproduction or reduced excretion.
The test is commonly used in metabolic assessment, kidney stone risk evaluation, and gout investigations.
Why do I need a Uric Acid (Urine) test?
Understanding uric acid excretion is important when blood levels are abnormal or when gout or kidney stones are suspected.
You may need this test if you experience:
- Recurrent gout attacks
- Kidney stones or flank pain
- High blood uric acid levels
- Suspected uric acid overproduction
- Monitoring urate-lowering therapy
- Metabolic syndrome or insulin resistance
- Family history of gout or kidney stones
The test helps guide clinical decisions and personalised management strategies.
Benefits of the test
- Assesses uric acid excretion
Shows how effectively the kidneys clear uric acid. - Distinguishes causes of high uric acid
Helps identify overproduction versus under-excretion. - Supports kidney stone risk assessment
Uric acid stones are linked to high urinary levels. - Useful in gout management
Helps tailor treatment and monitoring. - Complements blood uric acid testing
Provides a more complete metabolic picture. - Non-invasive testing
Uses a urine sample rather than blood. - Guides dietary and hydration advice
Supports lifestyle and nutritional optimisation. - Useful for long-term monitoring
Tracks changes during treatment or lifestyle adjustment.
Step-by-step: How we offer testing
Clinic-based testing (UK-wide)
- Choose your nearest UK clinic
- Receive instructions for urine collection
- Provide a urine sample
- Sample sent to the laboratory
- Results are issued once analysis is complete
Home or hotel collection (+£60, UK-wide)
- Urine collection kit provided
- Sample collected at home or hotel
- Sample returned for laboratory analysis
Your results explained
Low urinary uric acid
- Reduced uric acid excretion
- UK standard (typical): <250 mg/day (24-hour equivalent)
- May suggest under-excretion, increasing gout risk
Normal urinary uric acid
- Uric acid excretion within reference range
- UK standard (typical): 250–750 mg/day
- Suggests balanced uric acid metabolism
High urinary uric acid
- Excess uric acid excretion
- UK standard (typical): >750 mg/day
- Increases risk of uric acid kidney stones
Reference ranges vary depending on sample type and laboratory method.
How It Works
Simple steps to get your results
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Book Online
Choose your test online and book in seconds. Select your preferred clinic location or home visit option.
2
Visit or Test at Home
Attend one of our UK or London clinics, arrange a home nurse visit, or use a finger-prick kit where available.
3
Get Your Results
Your sample is analysed by accredited UK laboratories, with secure results delivered directly to you.
Take control of your health with London Blood Tests
WhatsApp UsHow to Prepare for Your Test
Follow these guidelines for accurate results
Sample Timing
Where possible, attend your blood test between 7am and 12pm. Please wait until any short-term illness or infection has fully resolved before testing. Avoid intense exercise for 24–48 hours beforehand, as this can affect certain markers.
Fasting & Hydration
Fasting is not always required, but some tests may recommend it. If fasting is advised, avoid food for 8–12 hours before your appointment and drink water only. Stay well hydrated, as this helps with sample collection and accuracy.
Medications & Supplements
Continue prescribed medications unless advised otherwise by your clinician. Avoid vitamin, mineral, or biotin supplements for at least 24–48 hours before your test, as these can interfere with results. If you are unsure about any medication or supplement, please let us know before your appointment.
Hormones & Menstrual Cycle
For hormone-related tests, timing within your menstrual cycle may be important. If relevant, follow any specific guidance provided on your test page.
If you have any questions or special circumstances, our team is happy to advise before your appointment.
Frequently Asked Questions
It measures how much uric acid the kidneys excrete.
It provides different information; both are often used together.
Increased production or high purine intake.
Yes, reduced excretion can raise blood levels.
Yes, it is particularly useful for uric acid stones.
Yes, dehydration can concentrate urine results.
Sometimes; this depends on the lab and clinical context.
Yes, purine-rich foods and alcohol affect uric acid levels.
Yes, it helps monitor response to therapy.
It indicates altered uric acid handling and supports further metabolic or renal evaluation.
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