This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic Pathology, Subject name: Pathology
Which of the following diseases is not a cause of indirect hyperbilirubinemia? 
Select and explain. 
A. Rotor syndrome, B. Criggler Najjar syndrome, C. Gilbe syndrome, D. Hereditary spherocytosis
A: Rotor syndrome
Answer: A: Rotor syndrome 
Explanation: Unconjugated bilirubinemia Conjugated bilirubinemia Physiological jaundice of newborn Hemolytic anemia (hereditary spherocytosis, etc.) Diffuse hepatocellular disease Criggler Najjar syndrome Gilbe syndrome Biliary tract obstruction Biliary tract disease like primary biliary cirrhosis Primary sclerosing cholangitis Dubin Johnson syndrome Rotor syndrome