<prompt> A 40 year old lady has ALP of 550, SGOT of 75, total serum Bilirubin 6.5mg and conjugated serum bilirubin of 4.3mg. The diagnosis of patient is:Dubin Johnson syndromeObstructive jaundiceViral hepatitisCholelithiasis  <response>: Marker Normal value Interpretation Alkaline phosphatase 20-140 IUL ELEVATED SGOT 5-40 units per liter Mild elevation Total serum bilirubin 0.3-1.2mgdl Elevated Conjugated serum bilirubin 0.1-0.4mgdl Elevated If only serum bilirubin is elevated and conjugated serum bilirubin is 15 of total bilirubin then suspect Dubin Johnson and Rotors syndrome If ALP is elevated with serum bilirubin proceed to USG to evaluate for cause of obstructive jaundice. 