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C-Peptide

Important Note

*This test is orderable in Cerner as 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.