Definite diagnosis of diabetes is usually with blood
testing your glucose
levels as mentioned above. A fasting plasma glucose
(FPG) test , an oral glucose tolerance test (OGTT) or a random plasma glucose test, along with an assessment of symptoms, is used to diagnose diabetes. Risk factors for diabetes include age, excess body weight , family history of diabetes, hypertension, and dyslipedemia increases the chance of being a diabetic. Hope this helps. Take care and do keep us posted.