When Christopher Fischetti was born nearly a year ago, he appeared to be a healthy, normal child. But during routine follow-up exams, it was found his liver was secreting an abnormally high level of bilirubin.

SEEKING DONORS: Christopher Fischetti, who turns a year old in May, has a genetic condition necessitating a transplant. (Supplied Photo)

Bilirubin is the yellow pigment in bile. Elevated levels can indicate the liver is having trouble processing bilirubin into bile, or the bile ducts are blocked.