direct bilirubin normal range newbornbilirubin direct rangeelevated direct bilirubinnormal direct bilirubinhigh direct and indirect bilirubinincreased direct bilirubinbilirubin direct high meansconjugated bilirubin normal rangecauses of raised direct bilirubinunconjugated bilirubin normal rangeserum bilirubin direct highnormal direct bilirubin level
