C-Peptide Blood Test
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Test Code: 010108
Specimen Type: Blood
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Description:
C-Peptide Blood Test (Labcorp)
This test measures levels of C-Peptide in the blood. C-Peptide is a byproduct of the creation of insulin by the pancreas. Insulin is required to transport glucose (sugar) to the cells in the body. As blood sugar increases, so does insulin production. A measurement of the C-Peptide levels in the blood can indicate how much insulin the body is producing. Because C-Peptide levels correspond only to insulin produced by the body, it can be a useful measurement for people who take insulin medication for Diabetes. Type 2 diabetics often develop antibodies to insulin which make it difficult to accurately measure insulin levels. In these cases, C-Peptide is a more accurate way to evaluate insulin production.
C-Peptide is often ordered when a person has recently been diagnosed with diabetes or to monitor treatment for diabetes. It is also done when a person is experiencing recurring symptoms of low blood sugar or excess insulin production. C-Peptide is often ordered with an Insulin Blood Test.
Turnaround time for the C-Peptide, Blood (Serum) test is typically 1 business day.
Where can I find a C-Peptide test near me?
Check our lab finder to locate a collection site in your area.
Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.
Requirements:
The C-Peptide, Blood (Serum) test requires fasting for 14-16 hours prior to blood collection. The C-Peptide, Serum test is not intended to be used repeatedly to monitor treatment or therapy. This test should be used to provide a single measure of C-Peptide levels.
It is recommended that someone taking Biotin (also known as vitamin B7 or B8, vitamin H, or coenzyme R) stop consumption at least 72 hours prior to the collection of a sample.
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