<prompt> A 30 year - old male has jaundice. Blood examination shows total serum bilirubin 21 mg, direct bilirubin 9.6 mg and alkaline phosphatase 84 KA units. The Diagnosis is :-Haemolytic jaundiceViral hepatitisChronic active hepatitisObstructive jaundice  <response>: Ans. is d Obstructive jaundice Direct bilirubin:-9.6 mg . That means the patient has direct Bilirubinemia. If the direct conjugated Bilirubin is greater than 15 of the total Bilirubin it is direct BilirubinemiaAlkaline phosphatase level is also elevated N is 3-13 KA UnitsDirect bilirubinemia patients can be divided in 2 groups. 