C-peptide: At a Glance

C-peptide

Also known as: Insulin C-peptide, Connecting peptide
Formal name: C-peptide
Related tests: Insulin, Glucose

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	At A Glance
	Why get tested? To monitor insulin production by the beta cells in the pancreas and to help determine the cause of hypoglycemia When to get tested? If you have type 1 or type 2 diabetes or metabolic syndrome and your doctor wants to determine if you are producing enough of your own insulin, if you are insulin resistant, or if it is time to supplement oral medication with insulin injections; it is also ordered to support a decision to place a patient on an insulin pump; your doctor may also order a C-peptide test if you have documented hypoglycemia Sample required? A blood sample drawn from a vein in your arm and sometimes a 24-hour urine sample Note: Ask your doctor if you need to fast before having this test performed. Next >>

This article was last reviewed on December 16, 2006.
This page was last modified on April 8, 2009.

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