C-Peptide, Serum
Test Code: 010108
Performing Lab: LabCorp
CPT Code: 84681 001
Synonym
Connecting Peptide; Insulin C-Peptide; Proinsulin C-Peptide
Specimen Type
Serum
Specimen Container
Red-top tube or gel-barrier tube
Volume
0.8 mL
Minimum Volume
0.3 mL (NOTE:This volume does NOT allow for repeat testing.)
Specimen Handling
If a red-top tube is used, transfer separated serum to a plastic transport tube. Avoid hemolysis.
Patient Prep
Patient should fast for 14 to 16 hours for basal values.
Unacceptable Conditions
Citrate plasma specimen
Temperature
Refrigerate
Methodology
Electrochemiluminescence Immunoassay (ECLIA). This assay is performed on the Roche cobas instrument in multiple laboratories throughout Labcorp.
Stability
Room Temperature: 1 day
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
| Result Code | Result Name | LOINC |
|---|---|---|
| 010109 | C-Peptide, Serum | 1986-9 |
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