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Connecting peptide insulin, insulin C-peptide, proinsulin C-peptide.
To evaluate hypoglycemia, assess beta cell function, and distinguish between type 1 and type 2 diabetes.
Serum collected in a red-top tube.
(Method: Immunochemiluminometric assay, ICMA)
|Age||Conventional Units||SI Units (Conventional Units × 0.333)|
|9 yr||0–3.3 ng/mL||0–1.1 nmol/L|
|10–16 yr||0.4–3.3 ng/mL||0.1–1.1 nmol/L|
|Greater than 16 yr||0.8–3.5 ng/mL||0.3–1.2 nmol/L|
|1-hr response to glucose||2.3–11.8 ng/mL||0.8–3.9 nmol/L|