C-Peptide stimulation by glucagon is useful in assessing patients for pancreatic beta cell function and reserve. Patients with Type I Diabetes mellitus have decreasing reserves of beta cell function.
12 hours overnight fasting mandatory. Injection Glucagon is not supplied by LPL.
2 mL (0.5 mL min.) serum from 1 SST for each timed specimen. Draw baseline fasting specimen. Administer 1 mg Glucagon I.V. Draw additional specimens at 5, 10 and 15 minutes post-Glucagon. Note time drawn on each container label and test request form. 12 hours overnight fasting mandatory. Ship refrigerated or frozen.