system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Non specific esterase is positive in all the categories of AML except-
assistant
The correct answer is  M6 is positive for periodic acid Schiff in the case of erythroblasts and myeloperoxidase in the case of myeloblasts. Reference: textbook of Pathology 6th edition Author Harsh Mohan, page number 364.