C Peptide, Blood (Referred Out )- Saskatoon
Discipline
Biochemistry
Overview
Description
- Collect specimen after a 12 hour fast
Alias
- C-peptide of insulin
Specimen Information
Specimen types accepted
- Serum
Specimen collection container
- Preferred collection container: Gold (Gel) 5.0 mL
Collection procedure
- Specimen for this test must be collected, processed, aliquoted and frozen within 45 minutes of collection
- Avoid hemolysis
Required volume
- Optimal volume: 4.5 mL Full collection tube
- Minimum volume: 1 mL serum
(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)
Rejection criteria
- Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Testing Information
Clinical interpretation
- Used in the diagnosis of insulinoma, in the evaluation of hypoglycemia and in the assessment of residual beta-cell function in type l diabetics
Performance
Days/times performed
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| Testing site |
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Maximum laboratory time
- Three day turnaround time by testing laboratory
- Shipped Monday - Friday
Other information
- Preferred Specimen Collection - Refer patient to a Laboratory Health Services Centre or a Hospital Test Centre able to process specimens within required time frame
Last Updated: October 8, 2024