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The Bilirubin test measures the level of bilirubin — a yellow pigment produced when red blood cells break down — in your blood. The liver processes bilirubin and excretes it into bile. When bilirubin accumulates in the blood, it causes jaundice — the yellowing of skin and eyes. This test measures three values — Total, Direct (conjugated), and Indirect (unconjugated) bilirubin — each pointing to different causes of bilirubin elevation, helping distinguish between liver disease, bile duct obstruction, and red blood cell disorders. No fasting required.
Key benefits of this package include:
What Does the Bilirubin Test Measure?
Total Bilirubin | Unit: mg/dL | Fasting: No
Direct Bilirubin (Conjugated) | Unit: mg/dL | Fasting: No
Indirect Bilirubin (Unconjugated) | Unit: mg/dL | Fasting: No (calculated value)
Pattern
Possible Cause
Elevated Total + High Direct
Liver disease, bile duct obstruction, cholestasis
Elevated Total + High Indirect
Haemolytic anaemia, newborn jaundice, Gilbert's syndrome
Mild Total elevation, all normal range
Normal variation, benign Gilbert's syndrome

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