{"id":"urine-blood","name":"Urine Blood (Dipstick)","shortName":"Urine Blood","aliases":["Blood, UA","Urine Blood","Blood","Hemoglobin, Urine","Hgb, Urine","Blood, Urine","Occult Blood (Urine)","Blood (UA)","UA Blood","Urine Occult Blood","Occult Blood, Urine","Blood, Dipstick","Hemoglobin (Urine)"],"abbreviations":["BLD"],"loinc":[{"code":"5794-3","primary":true},{"code":"57751-0","primary":false},{"code":"49137-3","primary":false},{"code":"50559-4","primary":false}],"specimen":"urine","units":[],"referenceRanges":[],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"A dipstick check for blood in your urine. It reacts to red blood cells, hemoglobin and myoglobin, so a positive result is usually followed by a microscope check.","url":"https://bloodtesttracker.com/markers/urine-blood","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}