Global Bilirubin Blood Tests Market: Overview   Bilirubin is produced by breakdown of red blood cells (RBCs) in the body. Bilirubin goes to the liver and gets stored in the bile duct. The body eventually excretes bilirubin through stool. It is yellow and brown and the pigments make feces brown. Bilirubin tests help measure the amount of bilirubin in the blood. If the level of bilirubin...