Insulin Assay

This is a blood test to determine your insulin levels. The test may be used to help diagnose an insulinoma. An insulinoma is a tumor of the pancreas which secretes insulin. This is also used to help evaluate patient's blood insulin levels when they are fasting and how well their bodies respond to sugar loads.

PREPARATION FOR TEST

Nothing to eat or drink for 8 hours prior to the test.

NORMAL FINDINGS

  • 6-26 microunits/ml or 43-186 pmol/L (SI units)

  • Newborn: 3-20 microunits/ml possible

Critical values: Greater than 30 microunits/ml

Ranges for normal findings may vary among different laboratories and hospitals. You should always check with your doctor after having lab work or other tests done to discuss the meaning of your test results and whether your values are considered within normal limits.

MEANING OF TEST

Your caregiver will go over the test results with you and discuss the importance and meaning of your results, as well as treatment options and the need for additional tests if necessary.

OBTAINING THE TEST RESULTS

It is your responsibility to obtain your test results. Ask the lab or department performing the test when and how you will get your results.