Why to get tested?
To screen for or monitor liver disorders or hemolytic anemia; to monitor neonatal jaundice
When to get tested?
When you have signs or symptoms of liver damage, liver disease, bile duct blockage, hemolytic anemia, or a liver-related metabolic problem, or if a newborn has jaundice
What sample needed?
In adults, a blood sample drawn from a vein in the arm; in newborns, a blood sample from a heelstick; non-invasive technology is available in some healthcare facilities that will measure bilirubin by using an instrument placed on the skin (transcutaneous bilirubin meter)
What preparation I need before test?
You may need to fast (nothing but water) for several hours before the test; fasting requirements vary by laboratory; ask your lab or healthcare provider for instructions.