what is conjugated bilirubin
1 Small amounts may be present in the blood. 2  Conjugated bilirubin âformed in the liver when sugars are attached (conjugated) to bilirubin. 3  It enters the bile and passes from the liver to the small intestines and is eventually eliminated in the stool. 4  Normally, no conjugated bilirubin is present in the blood.wo forms of bilirubin can be measured or estimated by laboratory tests: 1  Unconjugated bilirubin âwhen heme is released from hemoglobin, it is converted to unconjugated bilirubin. 2  Conjugated bilirubin âformed in the liver when sugars are attached (conjugated) to bilirubin.