Test Code CPEPT C-Peptide
Additional Codes
Epic EAP |
---|
LAB521 C-peptide |
Specimen Requirements
Container/Tube Type:
Serum
Heparinized Plasma
Preferred Collection Container:
SST (Serum Separator)
Also Acceptable Collection Container:
Red (No Additive)
Green (Lithium Heparin)
Plasma Separator Tube
Collection Information:
Collect blood in a serum separator tube.
Transport Information:
1.0 mL serum frozen in plastic vial.
Minimum Sample Volume:
0.75 mL of serum (approximately 1.25 mL of whole blood based upon a normal patient hematocrit)
Remarks:
Patient Preparation: 12 hours before this test do not take multivitamins or dietary supplements containing biotin or vitamin B7, which are commonly found in hair, skin, and nail supplements and multivitamins. Patient should fast 8 hours prior to collection.
Unacceptable Conditions:
Hemolysis
Specimen Transport Temperature
Refrigerated Stability:
24 hours
Frozen Stability:
30 days - Preferred
Ambient Stability:
4 hours
Performing Laboratory
Pathology Laboratory, UnityPoint Health, Des Moines
CPT
84681
Performance
Methodology:
Electrochemiluminescence Immunoassay
Performed:
Daily