Define Sample collection and estimation of blood glucose?

The aim of blood glucose estimation is to diagnose or to exclude or to monitor the anti-diabetic therapy. For blood glucose estimation, blood may be drawn at any point of time (random sample). A random venous plasma glucose level of 200 mg/dL is diagnostic of diabetes while that of < 100 mg/dL excludes it. Preferably, a fasting and post prandial (2 hours) sample should be considered. This will help to monitor glycemic status.  Glucose can be estimated in whole blood, serum or plasma.