A doctor may order a C-reaction protein test if they suspect you have an inflammatory disorder, such as arthritis. Your doctor may also use this test to monitor treatment if you’ve been diagnosed with ...

Insulin is the hormone that’s primarily responsible for lowering glucose (blood sugar) levels in the blood. C-peptide is a byproduct created when insulin is produced. Measuring the amount of C-peptide ...

The C-peptide test is a way of estimating how much of the hormone insulin your body creates. This test can help doctors determine what type of diabetes you have. It can also help show how far your ...