Nephrology

Urobilinogen

Normal Range
0.2 - 1.0 mg/dL
Sample Type
Standard
Fasting
No
Unit
mg/dL

Urobilinogen is a byproduct of bilirubin reduction by intestinal bacteria. Most is excreted in feces, but a small amount is reabsorbed and excreted in urine. In a Urine Routine panel, it serves as an early indicator of liver disease or hemolytic disorders. Its presence/absence helps differentiate between types of jaundice (e.g., biliary obstruction vs. hepatitis).

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Interactive
mg/dL

Enter your lab result to see where you stand compared to the standard reference range.

Why Context Matters

Urobilinogen is highly sensitive to light and breaks down rapidly. A 'negative' result might be a false negative if the sample was not tested immediately. Additionally, broad-spectrum antibiotics can eliminate gut flora, leading to low urobilinogen levels.

Lab ranges are statistical averages, not biological laws. "Normal" for a 20-year-old male isn't normal for a 60-year-old female.

Clinical References

Source-of-truth databases and clinical guidelines for Urobilinogen:

Research & Guidelines

Related Indicators

Urine Routine

View Range

Urine - Fatty Casts & Droplets

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Urine For Spot Protein

View Range
DR

Medically Reviewed by Dr. Binoy Babu, MBBS

Board Certified Doctor • 10+ Years Clinical Experience

Dr. Babu is a practicing physician dedicated to empowering patients with clear, actionable medical information. He founded 2opi to bridge the gap between complex lab reports and patient understanding, ensuring everyone has access to a reliable second opinion.

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