Synonyms/Also Known as
Insulin C-peptide Fasting, Connecting Peptide Fasting
Why get tested?
To evaluate the insulin production by beta cells of the pancreas and to determine the cause of hypoglycemia (low blood glucose).
When to get tested?
In diabetes to determine if there is sufficient production of insulin in the body, or oral medication, insulin injections and insulin pump are required.
Test preparation needed
It is recommended that the person fasting for at least 10-12 hours before the test. Person is advised not to eat or drink anything except water prior to the test
About The Test
How is it used
1. Can C-peptide levels be tested at home?
No. Testing of c-peptide levels requires special equipment and training.
2. Is a prior C-peptide test required before using an insulin pump?
Yes, during an initial evaluation to check the status of beta cells and to check if there is sufficient production of insulin.
3. What are the other uses of C-peptide?
C-peptide can be used as a therapy for diabetic patients and may show decreased diabetic complications, improvements in kidney function, blood flow, and nerve function. However it requires further research.