Specimen Requirements

Title

INSULIN, FREE (BIOACTIVE)

Specimen Requirement

Overnight fasting is required.

1-SST/0.5mL serum. After 30 minutes of clotting, promptly centrifuge and refrigerate.

Methodology

Stability

Room Temperature 12 hours, Refrigerated 7 days

Reference Range

By Report*

Turnaround

4-7 days Performed Mon, Wed, Fri

Clinical Use

Determine free and bound insulin levels

Test Code

INSFR