Test Information:
Connecting peptide (C-peptide) is a biologically inactive chain formed during the proteolytic conversion of proinsulin to insulin in the pancreatic beta cells. It is used as an aid in the diagnosis and treatment of patients with abnormal insulin secretion including diabetes mellitus.
Specimen Container:
Gold Top SST Tube (with clot activator) or Red Top Tube (Plain) – USE PLASTIC TUBE ONLY
Specimen Type:
Serum
Required Volume:
2 mL
Patient Preparation:
No Patient Preparation
Notes:
N/A (Not Applicable)
Storage & Stability
(Before Processing)
- Storage: 2 to 8˚C
Stability: 24 hours - Storage: 15 to 25˚C
Stability: 4 hours - Storage: – 20 °C (± 5 °C)
Stability: 30 days
FREEZE ONLY ONCE!
Transport Temperature:
Ref (2˚C – 8˚C)
Test Category:
Routine
Test Schedule:
Daily
Results Availability:
Within 4 hours