Dubin Johnson syndrome

Du·bin John·son syndrome

(dōō′bĭn-jŏn′sən)
n.
An inherited defect in hepatic excretory function marked by an increase of serum bilirubin concentration, an excessive urinary excretion of abnormal proportions of a form of coproporphyrin, a retention of dark pigment by hepatocytes, and the nonvisualization of the gall bladder using a cholecystogram. Also called chronic idiopathic jaundice.