4249 C-Peptide

Specimen Type Specimen Stability Reference Range
Serum-SST; Fasting 7 days 2-8°C 0.9-3.85 ng/mL

Specimen Requirements

Preferred amount: 1.0 mL Serum
Minimum amount: 0.5 mL Serum; Fasting specimen required

Method

Immunochemiluminometric (ICMA)

Schedule

Mon-Sat

Turn-Around Time

24hrs

Instructions/Notes

Fasting specimen required

Clinical Utility

To help evaluate patients with hypoglycemia.

CPT Codes

84681

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