Specimen Requirements

Title

INSULIN-LIKE GROWTH FACTOR (IGF-1)

Specimen Requirement

Draw blood in a SST. Centrifuge, separate and send 1.0 mL serum (0.5 mL minimum) frozen immediately in a screw-capped plastic vial

Methodology

Stability

Room Temperature: Unacceptable; Refrigerated: Unacceptable; Frozen: 14 days

Reference Range

By Report*

Turnaround

3 days Performed Mon-Fri

Clinical Use

Test Code

IGF1W