{"id":"urine-leukocyte-esterase","name":"Urine Leukocyte Esterase (Dipstick)","shortName":"Leukocyte esterase","aliases":["Urine Leukocyte Esterase","Leukocyte Esterase","Leukocyte Esterase, UA","WBC Esterase","LE, UA","Leucocyte esterase","Leucocitos (esterasa)","Leukocyte Esterase, Urine","Leukocyte Esterase (UA)","Leukocytes (Dipstick)","Leuk Esterase","Leukocyte Est","WBC Esterase, Urine","UA Leukocyte Esterase","Esterase, Leukocyte"],"abbreviations":["LE","LEU"],"loinc":[{"code":"5799-2","primary":true},{"code":"60026-2","primary":false},{"code":"105103-6","primary":false},{"code":"110367-0","primary":false},{"code":"27297-1","primary":false}],"specimen":"urine","units":[{"ucum":"{cells}/uL","display":"cells/µL"}],"referenceRanges":[],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"A dipstick check for an enzyme from white blood cells. A positive result can be a sign of inflammation in the urinary tract, such as a UTI.","url":"https://bloodtesttracker.com/markers/urine-leukocyte-esterase","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}