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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.