Bilirubin
Also known as: Total bilirubin; TBIL; Neonatal bilirubin; Direct bilirubin; Conjugated bilirubin; Indirect bilirubin; Unconjugated bilirubin
Formal name: Bilirubin
Related tests: Liver panel; Gamma-glutamyl transferase; Alkaline phosphatase; Aspartate aminotransferase; Alanine aminotransferase; Hepatitis A; Hepatitis B; Hepatitis C
At a Glance
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 a 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)
Test Preparation Needed?
None
