If you have diabetes, then you have to regularly have your A1C tested. This is a blood test that measures the level of blood glucose (or blood sugar) you've had over the last three months. Up until this year I always had to depend on the local lab to give me the test, until I found a way online via a video by Beat Diabetes to test it myself using my blood glucose meter and some math. First, some disclaimers: I have not worked in the medical profession since the 1980's, and I cannot give you medical advice; this is just something I do myself to stay on top of my diabetes. Also, this is an averaged A1C and should not be used as a substitute for a lab test ordered by your physician. Finally, you should compare your results to your lab-tested A1C to assure you're getting the right readings from your meter. You do five glucose tests in one day to get your averaged A1C. Here's the schedule of when to test: 1. Just after waking up 2. One hour after lunch 3. ...