Answer: D
E11.64 is the correct ICD coding for the case because this code is used to code for type II DM with hypoglycemia and coma. Here, this is the diagnosis in the patient.
Option A is incorrect because E11.9 is used for the uncomplicated case of Diabetes Mellitus but this case is of a complication of diabetes i.e diabetic coma.
Option B is incorrect because E10 represents type I Diabetes Mellitus and it is the case of type II Diabetes Mellitus.
Option C is incorrect because it specifies Type II Diabetes Mellitus with ketoacidosis without a coma. Here, the diagnosis is a diabetic coma.