Hello
To establish
diabetes u have to go for oral glucose tolerance test and
HbA1C.
Fasting
sugar above 100 is abnormal.
2 hour sugar in OGTT above 140 is abnormal.
HbA1C above 5.7 is abnormal..
So consult doctor if u have above values.
It can be prediabetes or diabetes.
Next Steps
Tests to be gone in fasting state,preferred in morning