{"id":"urine-sodium","name":"Urine Sodium, Random","shortName":"Urine Sodium","aliases":["Sodium, Random Urine","Urine Sodium","Sodium, Urine","U Na","Sodium, Urine (Random)","Na, Urine","Sodium, Random, Urine","Sodium, Urine - per volume","Urine Sodium, Random","Spot Urine Sodium","Urinary Sodium, Random","Sodium, Urine, Random","Sodium Urine Random"],"abbreviations":["UNa","U Na","U-Na"],"loinc":[{"code":"2955-3","primary":true},{"code":"35678-2","primary":false}],"specimen":"urine","units":[{"ucum":"mmol/L","display":"mmol/L"},{"ucum":"meq/L","display":"mEq/L"}],"referenceRanges":[{"population":"Adults","low":28,"high":272,"unit":"mmol/L","unitDisplay":"mmol/L","note":"Quest prints 28–272 mmol/L for a random urine sodium without creatinine. Mayo says no reference values are established for a random sample, and ARUP prints an interval only for the 24-hour result. MedlinePlus says adult values are generally above 20 mEq/L. The result swings with salt, fluids, medicines and how concentrated the urine is, so treat this as a loose guide. Your report's own range comes first.","sources":[{"title":"Sodium, Random Urine without Creatinine (test code 14522)","url":"https://testdirectory.questdiagnostics.com/test/test-detail/14522/sodium-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 sodium is in a single urine sample, which swings with what you ate and drank, so clinicians read it with blood tests.","url":"https://bloodtesttracker.com/markers/urine-sodium","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}