I want to give you below some interesting facts about this test; it is a very important test (please read my previous postings) as it tells you how well your body handles sugars (HbA1c is a compound created in your body when excess blood sugar sticks to a protein in your red blood cells called hemoglobin (Hb). The higher your blood sugar, the higher your HbA1c value)
Normal values, people without diabetes:
3.5 - 5.0 % (some labs say 5.5%)
If you find values of more than 5.0%, that's worry; you may have prediabetes or diabetes; if you find however values of 7% or more, that's surely diabetes !!!
In fact doctors use this test to diagnose diabetes as it shows the same accuracy as the OGTT values in establishing the diagnosis. If you find values of 7.5% or more, you will not need an OGTT to confirm that you have diabetes; people without diabetes simply don't get these high values....
Here is a gross correlation between your HbA1c values (%) and your blood sugar levels (mg/dL)
HbA1c...blood sugar levels:
4% .... 50 - 75mg/dL
5% .... 80 - 110 mg/dL
6% .... 115 - 135 mg/dL
7% .... 150 - 170 mg/dL !!!!!!!!!!!!!!
8% .... 180 - 205 mg/dL
9% .... 215 - 240 mg/dL
10% ..... 250 - 275 mg/dL
11% ..... 280 - 310 mg/dL
12% .... 315 - 345 mg/dL
13% ..... 350 - 375 mg/dL
14% .... 380 - 400 mg/dL
Value targets in people with diabetes:
excellent control: 5.5% or less (some docs say that it should be 5.0% and less !!!)
good control: 5.6 - 6.0%
poor control: 6.1% and more
very poor control: 7.5% and more
Never believe a doc that says that values of 7% are good; 7% of HbA1c corresponds to 150 - 170 mg/dL of your blood sugar levels!!!!. And these values are way too high for a diabetic. A diabetic should have random values of less than 140 mg/dL (preferably 110 mg/dL and less). The lower the HbA1c values, the better the control of diabetes !!!!