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Testing Details

The Bilirubin, Fractionated Test measures total bilirubin and breaks it down into its two key components: direct (conjugated) and indirect (unconjugated) bilirubin. This detailed breakdown helps assess how the liver processes bilirubin and whether bile is flowing properly through the ducts.

Healthcare providers use this test to:

• Diagnose causes of jaundice
• Evaluate liver function
• Detect bile duct blockages
• Monitor hemolytic disorders or red blood cell breakdown

Elevated indirect bilirubin may indicate liver processing issues or increased red blood cell destruction, as seen in hemolysis or Gilbert’s syndrome. Elevated direct bilirubin often points to liver dysfunction or bile duct obstruction due to conditions like hepatitis or gallstones.

Doctors recommend the Bilirubin, Fractionated Test for individuals with symptoms like yellowing of the skin or eyes, dark urine, abdominal discomfort, or persistent fatigue. It is also used to evaluate prolonged jaundice in newborns or to help diagnose liver and gallbladder conditions in adults.

This test provides a clearer picture than a total bilirubin test alone, helping guide accurate treatment and improve health outcomes.