C-Peptide
Performing Laboratory
Rutland Regional Medical Center Laboratory
Specimen Requirements
Specimen Type: Blood
Container/Tube:
Preferred: Light-green top (lithium heparin gel)
Acceptable: Gold top, serum gel
Specimen Volume: Full tube
Specimen Minimum Volume: 1 mL
Collection Instructions:
1. Send specimen in original tube.
2. If there is a delay in transport of >1 hour, centrifuge tube.
Specimen Transport Temperature
Refrigerated
Day(s) Performed
Daily
Available STAT
Analytical Time:
1 day
Test Classification and CPT Coding
- CPT: 84681
- LOINC: 1986-9
- EMR Order Code: L701138
- EMR Result code: L802819
Reference Values
1.1 - 4.4
Additional Information
Reference intervals have not been formally verified in-house for pediatric patients. The published literature indicates that reference intervals for adult and pediatric patients are comparable.