{"id":"urine-granular-casts","name":"Urine Granular Casts","shortName":"Granular casts","aliases":["Granular Casts","Granular Cast","Casts, Granular","Fine Granular Casts","Coarse Granular Casts","Granular Cast/LPF","Granular Cast (Urine)","GRANULAR CAST","Granular Casts, Urine","Granular Casts/LPF","Granular Casts (UA)"],"abbreviations":[],"loinc":[{"code":"5793-5","primary":true},{"code":"88974-1","primary":false},{"code":"25160-3","primary":false},{"code":"32680-1","primary":false},{"code":"33393-0","primary":false},{"code":"105086-3","primary":false}],"specimen":"urine","units":[{"ucum":"/[LPF]","display":"/LPF"}],"referenceRanges":[{"population":"Adults","low":null,"high":0,"unit":"/[LPF]","unitDisplay":"/LPF","note":"Quest prints 'None seen' for granular casts, and Labcorp prints 'None seen' per LPF for casts overall and names the cast type on a separate line. A published hospital table prints 'negative' per LPF. So the usual lab result is none. Some labs allow a rare cast, so your report's own range comes first.","sources":[{"title":"Urinalysis, Complete (test code 5463)","url":"https://testdirectory.questdiagnostics.com/test/test-detail/5463/urinalysis-complete?cc=MASTER","publisher":"Quest Diagnostics"},{"title":"Urinalysis, Complete (test 003772), sample patient report","url":"https://files.labcorp.com/testmenu-d8/sample_reports/003772.pdf","publisher":"Labcorp","year":2026}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"A count of granular casts, tiny tube-shaped particles in urine that can form when kidney cells or protein break down.","url":"https://bloodtesttracker.com/markers/urine-granular-casts","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}