{"id":"urine-calcium-oxalate-crystals","name":"Urine Calcium Oxalate Crystals","shortName":"Ca oxalate crystals","aliases":["Calcium Oxalate Crystals","Ca Oxalate Crystals","CA OXALATE CRYSTALS (UA)","Oxalate Crystals","Calcium Oxalate Dihydrate","Calcium Oxalate Crystals, Urine","Calcium Oxalate Crystals, UA","Calcium Oxalate Monohydrate","Calcium Oxalate Monohydrate Crystals","Calcium Oxalate Dihydrate Crystals","CaOx Crystals","Oxalate Crystals, Urine","Crystals, Calcium Oxalate"],"abbreviations":[],"loinc":[{"code":"5774-5","primary":true},{"code":"25148-8","primary":false},{"code":"53131-9","primary":false},{"code":"105053-3","primary":false},{"code":"33234-6","primary":false},{"code":"38993-2","primary":false}],"specimen":"urine","units":[],"referenceRanges":[],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"Whether calcium oxalate crystals were seen when your urine was looked at under a microscope. A few are common and often harmless.","url":"https://bloodtesttracker.com/markers/urine-calcium-oxalate-crystals","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}