C-Peptide in a Series


Sunquest Code:CPEPTS  
Epic Code:LAB6526Epic Name:C Peptide in a Series
Synonyms:C Peptide
Methodology:Chemiluminescent assay
Turnaround Time:Performed Mon-Fri; results are reported the same day.


Collection Instructions

Specimen:Blood
Optimal Volume:1 mL
Minimum\Peds Volume:0.6 mL
Container:Red or gold (gel) (Green (lithium heparin, gel), Green (sodium heparin, no gel), Red (no gel))
Causes for Rejection:Collected in EDTA or sodium fluoride. Samples not separated from cells within 2 hours of collection.


Processing and Shipping

Specimen Processing:Within 2 hours centrifuge and aliquot 0.5 mL, 0.2 mL minimum.Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:Stability: Samples are stable for 7 days refrigerated. For longer storage, freeze.
Test Performed at or Referral Lab Endocrine  (UMMC-East Bank)


Interpretive

Reference Range:Fasting: 0.9-6.9 ng/mL
Use:For differentiating types of diabetes mellitus.


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