The principal use of C-peptide is in the evaluation of hypoglycemia. Patients with insulin-secreting neoplasms have high levels of both C-peptide and endogenous insulin; in contrast, patients with factitious hypoglycemia will have low C-peptide levels in the presence of elevated (exogenous) serum insulin. C-peptide is also useful in evaluating residual beta-cell function in insulin-dependent diabetics, many of whom have antibodies that interfere with insulin assays. Glucagon-stimulated C-peptide concentration has been shown to be a good discriminator between insulin-requiring and non−insulin-requiring diabetic patients. The diagnosis of islet cell tumor is supported by elevation of C-peptide when plasma glucose is low.
No special preparation is needed for C Peptide (90 Mins) Immunoassay / Eia / Cmia Blood Serum. Inform your doctor if you are on any medications or have any underlying medical conditions or allergies before undergoing C Peptide (90 Mins) Immunoassay / Eia / Cmia Blood Serum. Your doctor depending on your condition will give specific instructions.
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