Above 18 years old Past medical history of Diabetes Mellitus or preoperative HbA1C > 6.5% (within 3 months of surgery) Had HbA1C done within 3 months prior to date of surgery Undergoing non cardiac surgery Emergency and elective surgery  EXCLUSION:  If patient is below 18 years old no History of DM No HbA1C done within 3 months prior to date of surgery