This test is done to evaluate insulin response after glucose intake in order to diagnose diabetes, insulin resistance, or other related disorders.
When this test is required
The test is typically requested as part of an oral glucose tolerance test, which is recommended for people with high risk of developing diabetes or those who are already showing symptoms of diabetes.
What the Test Detects
This test measures the level of insulin in the blood 2 hours after the consumption of 75 grams of glucose.
Preparation for the Test
The person being tested should fast for at least 8 hours before the test. They should also avoid smoking, alcohol, and vigorous exercise for 8-12 hours before the test.
Sample Requirements
The test requires a blood sample taken 2 hours after the ingestion of 75 grams of glucose.
Additional Notes
It’s important to follow the instructions provided by your healthcare provider regarding fasting and test preparation before the test. Results should always be interpreted in conjunction with other tests and clinical findings.