Hi Yossa,
8.4 for a random blood glucose test is on high side: it should really be under 7.0. Can you remember if you had something to eat just before your bloods were taken?? If you eat upto 2hrs before your value can be much higher (I found 7.9 if test is done 2hrs after eating). I guess GP just wants to rule out diabetes. This is what I found:
The American Diabetes Association (ADA) criteria for diagnosing diabetes are met when any of the following results have been repeated on at least two different days:
** A fasting blood glucose level is 126 mg/dL (7.0 mmol/L) or higher.
** A 2-hour oral glucose tolerance test result is 200 mg/dL (11.1 mmol/L) or higher.
** Symptoms of diabetes are present and a random blood glucose test is 200 mg/dL (11.1 mmol/L) or higher. Symptoms of diabetes include increased thirst and frequent urination (especially at night), unexplained increase in appetite, unexplained weight loss, fatigue, erection problems , blurred vision, and tingling or numbness in the hands or feet. So some of the symptoms are similar to those of low thyroid function.
Be sure not to eat or drink anything 8hrs before your fasting test, as this may influence results.
It's good to know all other tests were normal. Do you know what else they tested for?? I assume thyroid function, anemia etc...(?)
Anyway, gotto go now: I actually have to go for a tyroid function test myself today for postnatal checkup (baby is 8.5wk old), and I have the feeling something is a bit off, as I have v.dry skin, cold, thirsty, tired. We'll see.
And good luck to you!