What Is a Bilirubin Test? A bilirubin test measures the amount of bilirubin in your blood. It's used to help find the cause of health conditions like jaundice, anemia, and liver disease. High levels ...

High bilirubin levels in newborns may be natural and temporary. However, high bilirubin in adults could be a sign of an underlying health condition, such as jaundice, gallstones, and liver issues.

The body produces bilirubin when it breaks down red blood cells, and the liver helps excrete it. High bilirubin levels in adults can result from liver disease, pancreatitis, some cancers, and other ...