What Is Considered to Be a High Bilirubin Level?
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In general, a total bilirubin level above 1.9 milligrams per deciliter is considered elevated, notes MedlinePlus. The normal range for total bilirubin level in the blood is 0.3 to 1.9 milligrams per deciliter. Direct, or conjugated, bilirubin normally ranges from 0 to 0.3 milligrams per deciliter.
Bilirubin blood tests are generally done on people who experience jaundice or have suspected liver or gallbladder problems, states MedlinePlus. Elevated bilirubin levels sometimes result from hemolytic anemia, a blood transfusion reaction, hepatitis or liver disease. Gallstones and pancreatic or gallbladder cancer may also cause high bilirubin levels. Newborn babies commonly experience elevated bilirubin levels during their first days of life.
