{"id":"urine-uric-acid-24h","name":"Urine Uric Acid, 24-Hour","shortName":"Uric Acid (24h Urine)","aliases":["Uric Acid, 24 Hour Urine","Uric Acid, 24h Urine","Urate, 24 Hour Urine","Uric Acid, 24 HR, U","Uric Acid, Urine 24 Hour","Uric Acid, 24-Hour Urine","24 Hour Urine Uric Acid","Urinary Uric Acid, 24 Hour","Uric Acid Excretion, 24 Hour","Uric Acid, Urine, 24H","Urate, 24h Urine","Uric Acid (24 hr Urine)"],"abbreviations":[],"loinc":[{"code":"3087-4","primary":true},{"code":"14935-1","primary":false},{"code":"21587-1","primary":false}],"specimen":"urine-24h","units":[{"ucum":"mg/(24.h)","display":"mg/24 h"},{"ucum":"mmol/(24.h)","display":"mmol/24 h"},{"ucum":"umol/(24.h)","display":"µmol/24 h"},{"ucum":"g/(24.h)","display":"g/24 h"}],"referenceRanges":[{"population":"Adults","low":250,"high":750,"unit":"mg/(24.h)","unitDisplay":"mg/24 h","note":"ARUP, MedlinePlus and the Brazilian Society of Nephrology all list 250–750 mg/24 h for adults (MedlinePlus prints the SI value as 1,487–4,461 µmol/24 h), and Mayo Clinic Laboratories prints the same for women 18 and older. Mayo prints a wider 200–1,000 mg/24 h for men 18 and older, so labs differ for men. Excretion also follows diet. Your lab's own range comes first.","sources":[{"title":"Uric Acid, Urine (test 0020481)","url":"https://ltd.aruplab.com/Tests/Pub/0020481","publisher":"ARUP Laboratories"},{"title":"Uric acid urine test","url":"https://medlineplus.gov/ency/article/003616.htm","publisher":"MedlinePlus Medical Encyclopedia (NIH National Library of Medicine)"},{"title":"Brazilian Guidelines on evaluation and clinical management of Nephrolithiasis: Brazilian Society of Nephrology","url":"https://doi.org/10.1590/2175-8239-JBN-2024-0189en","publisher":"Jornal Brasileiro de Nefrologia","year":2025},{"title":"SUP24 - Supersaturation Profile, 24 Hour, Urine","url":"https://www.testcatalog.org/show/SUP24","publisher":"Mayo Clinic Laboratories (via the testcatalog.org mirror)"}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"How much uric acid your kidneys pass in urine over a full day. It is used mostly to look into kidney stones and gout.","url":"https://bloodtesttracker.com/markers/urine-uric-acid-24h","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}