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Question: From Buffalo, New York, USA: I'm having a C-Peptide test done soon. How will external insulin affect the results? What other things can affect the results? Answer: The best time to have a C-Peptide test is to have it with a meal challenge. Therefore, two hours after a meal, when your sugar is peaking, is a good time to have the test performed. If you have it fasting and the sugar is low, the C-Peptide may be appropriately low. When you take exogenous insulin, the insulin will not register in the C-Peptide assay. However, if you are aggressive with your insulin dose at a meal, and the glucose comes down to a low normal value, it will not be a strong stimulus for insulin to be secreted and for the C-Peptide level to be picked up on the laboratory test. JTL DTQ-20080428235757 Original posting 29 Apr 2008 Posted to Other

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			Jump to a new section --[ Getting Around ]-- Home Page What's New Guide to CWD Help with Error Messages Index Privacy Policy Search Site Map --[ People ]-- Family Support Network CWD Welcome Kit Adults with Diabetes Care Photos Chat Rooms Conferences Kids with Diabetes Parents Parent Humor Scholarships and Financial Aid Grandparents Humorous Tidbits Jobs Mailing Lists CWD Forums Poetry and Art Videos Polls Quilt for Life Surveys Blogs --[ Clinic ]-- Ask the Diabetes Team Alternate Site Testing Alternative Treatments Care Suggestions CWD Español Diabetes Basics Diabetes at School 504 Plans Diabetes Camps Diabetes Dictionary Insulin Pumps Nutrition Podcasts Presentations Products Product Marketplace Sports Studies Warning Signs --[ Sources ]-- News and Information Diabetes Advocacy Links to Other Web Sites Press Releases Regional Information Services Support Groups --[ Feedback ]-- About CWD Get CWD Products Advertise Awards Contribute Your Experiences Disclaimer Letters to the Editor Logos and Linking Share our Brochures

Last Updated: Tue Apr 29 19:26:48 2008
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