C-Peptide CPEP

Synonyms

Allscripts (AEHR) Order Name

C-Peptide, Serum

Sunrise Clinical Manager (SCM) Order Name

C-Peptide, Serum

Clinical Info

Aids in the diagnostic workup of hypoglycemia.
Aids in diagnosis of factitious hypoglycemia due to surreptitious administration of insulin.
Aids in the evaluation of possible insulinoma

Specimen Type

Blood

Container

Gold Top Tube

Collection Instructions

Container/Tube:  Gold-top tube(s)
Specimen: 2 mL serum (1 mL min)
 
Note:
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
 

Transport Instructions

Frozen Serum

Specimen Stability

4 hours Room Temperature
24 hours Refrigerated
30 days Frozen

Methodology

Electrochemiluminescence Immunoassay (ECIA)

Days Performed

Monday through Friday

Performing Laboratory

Northwell Health Laboratories

CPT

84681

PDM

5900100

Result Interpretation

1.1 - 4.4    ng/mL

Forms