5-20 mcU/mL while fasting; normal ranges may differ by the laboratory of the health care provider.
Note: mcU/mL = micro unit per milliliter
What abnormal results mean
Greater-than-normal levels may indicate:
Insulinoma Type 2 diabetes mellitus Obesity
- Injection of an excessive amount of insulin
- Sulfonylurea-induced hypoglycemia
Lower-than-normal levels may indicate:
- Diabetes, type 1 or 2
Review Date: 02/27/2006
Reviewed By: Robert Hurd, MD, Department of Biology, College of Arts and Sciences, Xavier University, Cincinnati, OH. Review provided by VeriMed Healthcare Network.