Description
Also known as:
Fasting Insulin
Insulin Fasting test is for people suffering from:
Low blood glucose levels with symptoms such as sweating, palpitations, dizziness, fainting
Main purpose of the Insulin Fasting test:
To help evaluate insulin production by the beta cells in the pancreas
To help diagnose the presence of an insulin-producing tumor in the islet cells of the pancreas (insulinoma)
To help determine the cause of low blood glucose (hypoglycemia)
To help identify insulin resistance, or to help determine when a type 2 diabetic might need to start taking insulin to supplement oral medications
Sample Required:
Blood sample drawn from a vein in the arm
Test Preparation Required:
Generally, the person has to fast for 8 hours before the blood sample is collected
Sometimes, fasting for more than 8 hours may be required