This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Non specific esterase is positive in all the categories of AML except – 
Select and explain. 
A. M3, B. M4, C. M5, D. M6
D: M6
Answer: D: M6 
Explanation: FAB classification divides AML into eight types M0 to M7.
This scheme takes into account : -

i) The degree of maturation (MO to M3)
ii) The lineage of leukemic blast (M4 to M7).