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Urinalysis

Urine Urobilinogen

Normal range 0.1–1 mg/dL (1.7–17 µmol/L SI). Specimen: Random urine.

Also known as: urobilinogen.

0.1–1 mg/dLReference range

Reference range

Conventionalmg/dL
0.11
SIµmol/L
1.717
SpecimenRandom urine
Conventional range0.1–1 mg/dL
SI range1.7–17 µmol/L
Conversion factor×17.1 (conventional → SI)
PanelUrinalysis

Convert any Urine Urobilinogen result between units on the unit converter.

What is the normal range for Urine Urobilinogen?

The standard teaching reference range for Urine Urobilinogen is 0.1–1 mg/dL in conventional units, or 1.7–17 µmol/L in SI units. This value is measured in random urine.

Source: Adult reference values compiled from Pagana & Pagana, Mosby's Diagnostic and Laboratory Test Reference, and Fischbach & Dunning, A Manual of Laboratory and Diagnostic Tests. Reference ranges vary by laboratory, method, age, sex, and population — always use the range printed on the actual result.

Above the range

Common causes of a high Urine Urobilinogen

  • Hemolysis
  • Hepatocellular disease

Below the range

Common causes of a low Urine Urobilinogen

  • Complete biliary obstruction
  • Antibiotic suppression of gut flora

At the bedside

Nursing considerations

  • Absent urobilinogen with a positive bilirubin suggests obstructive jaundice.

Study aid

Your notes on Urine Urobilinogen

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