Looking to order a test?
We’ve provided helpful links to make ordering easy.Find a Requisition
All specimens should be accompanied by a requisition.Submitting Specimens
Learn about how to properly label and where to ship specimens.Order Kits and Supplies
MLabs provides all the supplies necessary for the collection of specimens.Test FAQ
Visit our provider FAQ and learn about common questions to ordering tests.
Evaluate for insulin producing neoplasm (islet cell tumor, insulinoma) or pancreatic islet cell hyperplasia to work up hypoglycemia, possibly, to evaluate insulin production in diabetes mellitus.
Fasting level: 1 - 21 mcU/mL in conjunction with a normal serum glucose value. Insulin values obtained during a glucose tolerance test must be interpreted by a physician.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect specimen in a green top tube from a fasting patient. Transport specimen to laboratory, or centrifuge, aliquot plasma into a plastic vial and freeze within 1 hour.
Collect specimen in a green top tube from a fasting patient. Centrifuge, aliquot plasma into a plastic vial and freeze within 1 hour.