C-Peptide

Sample type :

Serum

Uses:

C-peptide is a widely used measure of pancreatic beta cell function.

Help tell the difference between type 1 diabetes and type 2 diabetes.

Find the cause of low blood sugar (hypoglycemia).

Check to see whether a tumour of the pancreas (insulinoma) was completely removed.

Precautions :

Fasting for 8 to 10 hours before blood testing is usually required.

Interfering factors:

kidney problem or an insulinoma, a tumor of the insulin-making cells in the pancreas can increase the result of c- peptide.

Preanalytical errors:

Not fasting before the test

Corrective action:

Fast before the test.

Postanalytical errors:

Give the test result to the wrong patient.

Corrective action:

Pay attention while reporting the result and give it to the right patient.

Reference range:

A normal C-peptide range is 0.5 to 2.0 nanograms per milliliter.