C-Peptide (PEP)

Department: Chemistry
Test Synonym(s): LAB521, PEP
CPT Codes: 84681
Methodology: Chemiluminescent Microparticle Immunoassay (CMIA)
Reference Range: 0-150yrs: 0.8-5.2 ng/mL
Tube Type: Light green top PST (Lithium Heparin with gel)
Specimen: Plasma
Pediatric Requirements: 1 light green top microtainer
Volume: 2 mL plasma
Minimum Volume: 1 light green top
Temperature: Must be spun in refrigerated centrifuge and separated.
Stability: Room temperature: 24 hours or less; Refrigerated: 48 hours, frozen: 3 months
Reasons for Rejection: QNS, EDTA plasma
Days Performed: Daily
Times Performed: Continuous

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