Urobilinogen (Urine)
The urine urobilinogen test measures the amount of urobilinogen in urine. Urobilinogen is produced when bacteria in the intestines break down bilirubin.
Category: Urinalysis
Also known as: urobilinogen, urine urobilinogen, urobilinogen urine
Reference range: 0.1–1 mg/dL (Source: ABIM)
Standard unit: mg/dL
High values may indicate
High urine urobilinogen may indicate liver disease (hepatitis, cirrhosis), hemolytic anemia, or conditions causing excess red blood cell destruction.
Low values may indicate
Low or absent urine urobilinogen may indicate bile duct obstruction, severe liver disease, or antibiotic use that reduces intestinal bacteria.
Frequently asked questions
- What is a normal Urobilinogen (Urine) level?
- A typical reference range for Urobilinogen (Urine) is 0.1–1 mg/dL (source: ABIM). Reference ranges vary by laboratory, age, and sex, so always compare against the range on your own lab report.
- What units is Urobilinogen (Urine) measured in?
- Urobilinogen (Urine) is most commonly reported in mg/dL. Labs in different countries may use other units — you can convert between them with BloodId's blood test unit converter.
- Where do Urobilinogen (Urine) reference ranges come from?
- BloodId uses ABIM standard reference ranges and educational information from MedlinePlus (see our methodology). Reference ranges still vary by lab, age, and sex, so always compare against your own report.
- Can I track Urobilinogen (Urine) over time?
- Yes. Upload results from any lab and BloodId charts your Urobilinogen (Urine) over time against its reference range, so you can see whether the trend is rising, falling, or stable.
Related biomarkers
Source: MedlinePlus, U.S. National Library of Medicine
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