Assay

C-Peptide

Key Words

Insulin, hypoglycaemia, CPEP

Specimen Collection

Li-Hep Plasma (orange top) or Serum Gel (brown top).

Turnaround time

24hrs

Test Indications

Used in the investigation of hypoglycaemia. Measurements of C-peptide may therefore be an aid in the assessment of a residual β-cell function in the early stages of type-1 diabetes mellitus and for the differential diagnosis of latent autoimmune diabetes of adults (LADA) and type-2 diabetes.

Limitations/Interferences

No known methodological interferences

Reference Range

0.37 – 1.47 nmol/L

Analytical Error

3.2%

Reference Change Value

46.9%