C-Peptide Test
The C-peptide test measures C-peptide levels in your blood or urine. C-peptide is a substance made in the pancreas along with insulin. Measuring C-peptide tells doctors how much insulin your body is making.
When is it needed?
Diagnosing type 1 diabetesMonitoring insulin productionInvestigating low blood sugar (hypoglycemia)Guiding diabetes treatment
How to prepare
You may be asked to fast for 8-12 hours before this test. Your doctor will tell you if you need to stop any medications.
More about this test
The C-peptide test measures C-peptide levels in your blood or urine. C-peptide is a substance made in the pancreas along with insulin. Measuring C-peptide tells doctors how much insulin your body is making.
Medically reviewed by: Locatemycenter editorial team. Informational only; not medical advice. Always consult a licensed physician for diagnosis or treatment.
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