Metabolic

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. In a Complete Urine Examination, it serves as a sensitive indicator of liver dysfunction and hemolytic disorders. Elevated levels suggest excessive bilirubin production (hemolysis) or a failure of the liver to re-extract urobilinogen from portal blood.

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mg/dL

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Why Context Matters

Urobilinogen is highly sensitive to light and will degrade rapidly if the urine sample is not processed quickly. High concentrations of nitrites (from UTI) or highly acidic urine can also cause false results.

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:

Related Indicators

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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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