C-Peptide: What Affects The Test
Content provided by Healthwise
What Affects the Test
Reasons you may not be able to have the test or why the results may not be helpful include:
- Taking medicines, such as insulin, sulfonylurea medicines for type 2 diabetes, corticosteroids, diuretics, or birth control pills.
- Using alcohol.
- Having kidney failure. Both insulin and C-peptide are removed from the body by the kidneys. C-peptide levels may be high in a person with kidney failure.
- Being obese. More insulin is made in obese people and can cause high levels of C-peptide.
| Last updated: | July 28, 2008 |
|---|---|
| Author: | Caroline Rea, RN, BS, MS |
| Reviewed By: | Caroline S. Rhoads, MD - Internal Medicine, Alan C. Dalkin, MD - Endocrinology |
| Editors: | Susan Van Houten, RN, BSN, MBA, Tracy Landauer |
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