{"id":"urine-potassium","name":"Urine Potassium, Random","shortName":"Urine Potassium","aliases":["Potassium, Random Urine","Urine Potassium","Potassium, Urine","U K","K, Urine","Potassium, Random, Urine","Potassium, Urine - per volume","Urine Potassium, Random","Spot Urine Potassium","Urinary Potassium, Random","Potassium, Urine, Random","Potassium Urine Random"],"abbreviations":["UK","U K","U-K"],"loinc":[{"code":"2828-2","primary":true},{"code":"35677-4","primary":false}],"specimen":"urine","units":[{"ucum":"mmol/L","display":"mmol/L"},{"ucum":"meq/L","display":"mEq/L"}],"referenceRanges":[{"population":"Adults","low":12,"high":129,"unit":"mmol/L","unitDisplay":"mmol/L","note":"Quest prints 12–129 mmol/L for a random urine potassium without creatinine. Mayo and ARUP say no reference interval is established for a random sample, and MedlinePlus lists 15 to 40 mEq/L as a usual figure. The result swings with what you ate and drank and how concentrated the urine is, so treat this as a loose guide. Your report's own range comes first.","sources":[{"title":"Potassium, Random Urine without Creatinine (test code 14521)","url":"https://testdirectory.questdiagnostics.com/test/test-detail/14521/potassium-random-urine-without-creatinine?cc=MASTER","publisher":"Quest Diagnostics"}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"How much potassium is in a single urine sample, which varies with diet and urine concentration, so it is read with a blood potassium.","url":"https://bloodtesttracker.com/markers/urine-potassium","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}