Why get tested?
To screen for or monitor liver disorders

When to get tested?
If your doctor thinks you have signs or symptoms of liver damage, liver disease, bile duct blockage, hemolytic anemia, or liver-related metabolic problem

Sample required?
In adults, a blood sample from a vein in the arm; in newborns, a blood sample from a heelstick; non-invasive technology is available in some health care facilities that will measure bilirubin by using an instrument placed on the skin (transcutaneous bilirubin meter)