This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
Choledochotomy is indicated in all of the following except in patients with 
Select and explain. 
A. Palpable CBD stones, B. History of Jaundice or Cholangitis, C. Abnormal alkaline phosphatase, D. Abnormal gamma-glutamyl transferase
D: Abnormal gamma-glutamyl transferase
Answer: D: Abnormal gamma-glutamyl transferase 
Explanation: Choledochotomy is indicated when there is palpable stones in the CBD,dilated CBD,jaundice/history of jaundice/cholangitis,abnormal liver function tests like raised alkaline phosphatase. Reference: Bailey & Love's sho practise of surgery,25th edition,page no:1124.