Regarding diagnosis of diabetes mellitus

[Peaceful43]

Male 43 years old not known case of diabetes
My hb1c done 20 September 6.5 , random blood sugar I did was 110 which is normal ?
Does this mean I am diabetic or no ?
Do I need to do further investigation? Which test is best to diagnose diabetes?
I do not have symptoms related to diabetes millitus like polyuria, polydepsia or polyphagia.
Thanks in advance

[GettingOlder]

An HbA1c test does not directly measure the level of blood glucose, however, the result of the test is influenced by how high or low your blood glucose levels have tended to be over a period of 2 to 3 months.

Indications of diabetes or prediabetes are given under the following conditions:

    Normal: Below 42 mmol/mol (6.0%)
    Prediabetes: 42 to 47 mmol/mol (6.0 to 6.4%)
    Diabetes: 48 mmol/mol (6.5% or over)

[GettingOlder]

Less than 100 mg/dL (5.6 mmol/L) is normal. 100 to 125 mg/dL (5.6 to 6.9 mmol/L) is diagnosed as prediabetes. 126 mg/dL (7 mmol/L) or higher on two separate tests is diagnosed as diabetes.