Insulin Test

This test measures the level of insulin in the blood after not eating for at least eight hours.

This test measures the level of insulin in the blood after not eating for at least eight hours.

This test checks the level of insulin in your blood after not eating for at least 8 hours.

  • The beta cells in the pancreas make insulin, a hormone that helps the body move glucose (sugar) into the cells.
  • Glucose is the main source of energy for the cells in the body.

In an adult, the blood sample is taken from a vein in the arm. Sometimes it is taken by pricking a finger.

  • You cannot eat for at least 8 hours before the test.
  • Ask your healthcare provider if you should take your morning medications before the test.
  • Do not stop taking any medication unless your healthcare provider tells you to do so.

This care path's costs do not include the charge to draw blood from a vein (venipuncture). There will only be one charge to draw blood, even if multiple tests are being performed on the samples that are taken.

What should I ask my healthcare provider before having this test?

  • Other than not eating for 8 hours, is there any special preparation for the test? (If so, get clear instructions on what you need to do.)
  • What is the reason for the test? Will the test results change my treatment plan? If not, do I need the test?


Also known as:

Insulin Test
Insulin resistance
Diabetes Screening
Diabetes Monitoring
Diabetes Mellitus
Low Blood Sugar
High Blood Sugar
Fasting Blood Sugar
Blood Sugar Test
Blood Sugar
Average Blood Sugar
Glucose Test
Fasting Blood Glucose Test
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