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Additional Codes
Epic# -
LAB521
Cerner name(s):
- C-Peptide
Performing Lab(s)
Memorial-Belleville only
Specimen Requirement (s)
Specimen Type: Plasma
Container/Tube: mint green LiHep Tube (preffered)
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL plasma
Collection Instructions: Fasting preferred
Unacceptable Conditions
Grossly hemolyzed specimen
Day(s)/Shift(s) Test Set Up and Turnaround Time
Sunday through Saturday
Hours: 24 hours
Turnaround Time:
STAT: No
Routine: less than 8 hours from receipt.
Transport and Stability
Transport temperature: Ambient to lab
Storage: Refrigerated.
Reference Values
1.1 - 4.4 ng/mL
CPT/LOINC Codes
87081
Additional Information
Aids in the detection of insulinoma. May aid in distinguishing type 1 from type 2 diabetes mellitus (DM) in ambiguous cases. Do not use to diagnose DM.