Mid-Atlantic · C-Peptide, Blood Test

C-Peptide, Blood Test in Washington DC

This page explains the c-peptide, blood test, what it measures, and how to order it. This test measures C-peptide levels in your blood. It is often used to assess how well the pancreas is producing insulin.

Typical turnaround1-3 business days
Price range$198
PreparationFollow the lab's instructions.
Sample typeBlood draw at a collection lab
ReferralNo referral required

What this test is

C-peptide is a substance released by the pancreas when it produces insulin. Measuring C-peptide helps determine how much insulin your body is making.

What it measures

  • C-peptide — a marker for insulin production by the pancreas

What the test involves

This test requires a blood sample, which is typically collected through a standard venipuncture procedure at a local laboratory.

Why it is often ordered

Clinicians may order this test to help evaluate conditions related to insulin production and diabetes management. It can provide insights into pancreatic function.

Preparation

Follow the specific preparation instructions provided by the laboratory where you will have your blood drawn. This may include fasting.

How results are reported

Your C-peptide test results will be reported by the laboratory. Reference ranges, which indicate what is considered typical, vary between laboratories.

Before you go

  • Fasting requirements
  • Specific preparation instructions
  • Test availability at the collection site

Cities

C-Peptide, Blood Test in Washington DC communities

Choose your city for local context and to request this test.