C peptide suppression test

C peptide suppression test

A test which may be used to identify the causes of hypoglycemia, based on the observation that beta-cell secretion (as measured by levels of C peptide) is suppressed during hypoglycemia to a lesser degree in persons with insulinomas than in normal persons. The test requires a serum glucose of = 3.33 mmol/l (60 mg/dL) and adjustment of data for body-mass index and age.
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