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General
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Clinical Use:
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Measurement of C-peptide may be useful in providing a reliable index of insulin secretion in a variety of clinical conditions. It is especially useful in evaluating beta cell function in patients with insulin dependent diabetes. Due to high prevalence of endogenous anti- insulin antibodies C-peptide concentrations reflect the endogenous pancreatic insulin secretion more reliably in insulin treated diabetics than the levels of insulin itself.
Measurement of C- peptide, insulin and glucose are used as an aid in the differential diagnosis of hypoglycemia. A suppressed level of C-Peptide during hypoglycaemia is a screening test for the exclusion of insulinoma. However, if hypoglycaemia follows surreptitious administration of insulin, C-Peptide is suppressed but insulin levels are raised. |
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Availability:
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Samples are tested routinely during the testing laboratory's hours of operation. |
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Aliases/Synonyms:
| CPE, |
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Code:
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CPE |
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Handling Instructions (to laboratory):
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Send sample chilled. |
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Hyperlink:
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Reference Interval:
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0.20-0.90 nmol/L
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Collection Requirements
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Container:
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Serum Sep. Tube-SST (GOLD), |
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Sample Type:
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See container |
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Minimum Collection Volume:
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2mL |
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Collection Instructions:
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Fasting sample preferred. |
Processing Requirements
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Alternate Containers:
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Lithium Heparin-PST (GREEN) |
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Processing Instructions:
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Minimum Assay Volume:
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500uL |
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Stability:
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48 hours chilled; 3 months frozen |
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Transport Instructions (to testing laboratory):
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Send sample chilled. |
Testing Locations
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Performed at:
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Section
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Department
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Site
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Contact Phone
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| Core |
Biochemistry |
Fiona Stanley Hospital |
6152 8140 |
| Core |
Biochemistry |
QEII Medical Centre |
6383 4093 |
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Last Updated : 03-10-2020 08:05 |