{"id":"urine-urobilinogen","name":"Urine Urobilinogen (Dipstick)","shortName":"Urobilinogen","aliases":["Urine Urobilinogen","Urobilinogen, UA","Urobilinogen","Urobilinogen, Urine","Urobilinogen, Semi-Qn","Urobilinogen, Semi-Quantitative","Urobilinogen, Semiquantitative","Urobilinogen (UA)","Urobilinogen, Urine (Dipstick)","Urobilinogen (Urine)","Urobilinogen Dipstick"],"abbreviations":["UBG","URO"],"loinc":[{"code":"20405-7","primary":true},{"code":"50563-6","primary":false},{"code":"19161-9","primary":false},{"code":"34928-2","primary":false},{"code":"3107-0","primary":false},{"code":"5818-0","primary":false}],"specimen":"urine","units":[{"ucum":"mg/dL","display":"mg/dL"},{"ucum":"[EU]/dL","display":"EU/dL"},{"ucum":"umol/L","display":"µmol/L"}],"referenceRanges":[{"population":"Adults","low":null,"high":1,"unit":"mg/dL","unitDisplay":"mg/dL","note":"Labcorp prints 0.2–1.0 mg/dL for this dipstick test, and several hospital lab tables print the same 0.2–1.0 numbers in EU/dL, so the two units are treated as equal here (UCUM itself defines the Ehrlich unit only as an arbitrary unit; NLM's UCUM library lists mg of urobilinogen per dL as a synonym). Some labs treat anything under 2.0 mg/dL as in range, and some print only 'Normal'. No lower limit is applied: the lowest strip step (about 0.2 mg/dL, printed as Normal) can't show whether urobilinogen is low or absent. Mildly positive strips are not rare in healthy adults (Kataoka 2011), and some medicines (AAFP 2022) or porphobilinogen (Song 2023) can push the strip up. MedlinePlus and AAFP (2005) link higher values to faster red blood cell breakdown or liver disease, and little or none to blocked bile flow.","sources":[{"title":"Urinalysis, Routine With Microscopic Examination on Positives: sample report (test 003038)","url":"https://files.labcorp.com/testmenu-d8/sample_reports/003038.pdf","publisher":"Labcorp","year":2026},{"title":"003038: Urinalysis, Routine With Microscopic Examination on Positives","url":"https://www.labcorp.com/tests/003038/urinalysis-complete","publisher":"Labcorp"},{"title":"Urobilinogen in Urine","url":"https://medlineplus.gov/lab-tests/urobilinogen-in-urine/","publisher":"MedlinePlus Medical Test (NIH National Library of Medicine)"},{"title":"Urinalysis: A Comprehensive Review","url":"https://www.aafp.org/pubs/afp/issues/2005/0315/p1153.html","publisher":"American Family Physician","year":2005},{"title":"Office-Based Urinalysis: A Comprehensive Review","url":"https://www.aafp.org/pubs/afp/issues/2022/0700/office-based-urinalysis.html","publisher":"American Family Physician","year":2022},{"title":"A high urinary urobilinogen/serum total bilirubin ratio indicates acute hepatic porphyria in patients with abdominal pain","url":"https://doi.org/10.1038/s41598-023-48824-9","publisher":"Scientific Reports","year":2023},{"title":"Association of UGT1A1 Gly71Arg with urine urobilinogen","url":"https://doi.org/10.18999/nagjms.73.1-2.33","publisher":"Nagoya Journal of Medical Science","year":2011},{"title":"UCUM-LHC unit definitions: [EU] Ehrlich units (urobilinogen), synonyms EU/dL and mg{urobilinogen}/dL","url":"https://github.com/lhncbc/ucum-lhc/blob/master/data/ucumDefs.json","publisher":"NIH National Library of Medicine (Lister Hill National Center for Biomedical Communications)"},{"title":"Unusual Presentation of Bladder Cancer in a Young Male With Significant Tattoo Exposure: A Case Report","url":"https://doi.org/10.7759/cureus.69637","publisher":"Cureus (urinalysis table with the treating hospital's reference intervals)","year":2024},{"title":"Unraveling the Complexity of Non-typhoidal Salmonella Genitourinary Infection in HIV: A Case Report and Management Strategy","url":"https://doi.org/10.7759/cureus.79739","publisher":"Cureus (urinalysis table with the treating hospital's reference intervals)","year":2025},{"title":"An Emerging Human Pathogen: Raoultella Planticola","url":"https://doi.org/10.7759/cureus.92875","publisher":"Cureus (urinalysis table with the treating hospital's reference intervals)","year":2025},{"title":"An Unusual Presentation of Diverticular Colovesical Fistula: Acute Renal Failure With Bilateral Emphysematous Pyelonephritis","url":"https://doi.org/10.7759/cureus.92456","publisher":"Cureus (urinalysis table with the treating hospital's reference intervals)","year":2025},{"title":"Givosiran for the Treatment of Hereditary Coproporphyria in Pregnancy: A Case Report","url":"https://doi.org/10.7759/cureus.115402","publisher":"Cureus (urinalysis table with the treating hospital's reference intervals)","year":2026},{"title":"An Infant With Hyponatremia, Hyperkalemia, and Faltering Growth: A Case Report","url":"https://doi.org/10.1155/crie/1964629","publisher":"Case Reports in Endocrinology (urinalysis table with the treating hospital's reference intervals)","year":2026},{"title":"The Unified Code for Units of Measure, §45 arbitrary units: [EU], Ehrlich unit","url":"https://ucum.org/ucum","publisher":"Regenstrief Institute (UCUM)"}]}],"review":{"status":"ai-draft","label":"AI-drafted. Awaiting verification","lastReviewed":"2026-10-03"},"summary":"A byproduct of bilirubin that normally shows up in small amounts in urine. A dipstick gives a rough check of it as part of a urinalysis.","url":"https://bloodtesttracker.com/markers/urine-urobilinogen","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}