S. No.

Name of test

Normal value

Disease condition

1.

Glycated hemoglobin HbA1c

Below 5.7 percent

An HbA1c level of 6.5 percent or higher on two separate tests indicates diabetes

2.

Fasting blood sugar

A fasting blood sugar level less than 100 mg/dL (5.6 mmol/L)

≥7.0 mmol/L (126 mg/dL) on two separate tests indicates diabetes

3.

Oral glucose tolerance test

A blood sugar level less than 140 mg/dL (7.8 mmol/L)

≥11.1 mmol/L (200 mg/dL) plasma glucose level of an oral glucose after two hours indicates diabetes.