Bilirubin (Total) (T. Bili)
Yellow pigment from red blood cell breakdown. High levels cause jaundice (yellow skin/eyes).
Typical normal range
0.1–1.2 mg/dL
If high ↑
Liver disease, bile duct obstruction, hemolysis, Gilbert syndrome
If low ↓
Generally not clinically significant
What is a normal Bilirubin (Total) level?
A typical reference range is 0.1–1.2 mg/dL. Ranges vary between laboratories and can depend on age and sex, so compare your result with the range printed on your own report.
What does a high Bilirubin (Total) level mean?
Liver disease, bile duct obstruction, hemolysis, Gilbert syndrome. A single result rarely gives a diagnosis on its own; your doctor will interpret it alongside your symptoms and other tests.
What does a low Bilirubin (Total) level mean?
Generally not clinically significant. Your doctor will interpret it alongside your symptoms and other tests.
About the Liver Panel
Liver tests measure enzymes and proteins made by the liver. Raised levels can point to inflammation or damage, and they are often checked when starting certain medicines.
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Medical disclaimer: Reference ranges vary by laboratory, age, sex, and clinical context. This page is for educational purposes only and is not a diagnosis. Always discuss your results with a qualified healthcare professional.