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372: C-Peptide Print View
C-Peptide IA  0.8 - 3.85  ng/mL 

PRIMARY
1 Serum 1 (0.5) mL   Frozen - 7 Day(s)/Refrigerated - 7 Day(s)/Room Temperature - 4 Day(s)  
ALTERNATE

C-Peptide is useful in the evaluation of pancreatic beta cell function (e.g., helping distinguish type 1 from type 2 diabetes mellitus, or monitoring patients who have received islet cell or pancreatic transplant) and for determining the source of insulin in patients with hyperinsulinemic hypoglycemia (e.g., distinguishing insulin-secreting tumors from exogenous insulin administration). It is also sometimes measured as an additional means (more resistant to hemolysis than is insulin itself) for evaluating glucose tolerance tests.

Specimen Requirements:
Patients should fast 12 hours prior to collection
Setup Schedule
Monday-Friday

Reported (Analytical Time)
Same day

CPT Code
84681

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Reject Criteria: Plasma; gross hemolysis Transport Temperature: Room temperature






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