Specimen Requirements

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Title

ILGF-1 (INSULIN-LIKE GROWTH FACTOR) (SOMATOMEDIN-C)

Specimen Requirement

*CRITICAL FROZEN*

Draw blood in a SST. Spin, separate and send 1.0mL serum in a screw capped plastic transport vial frozen. Indicate “serum/SST” on vial. Contact lab for dry ice for shipment.

Methodology

Stability

Frozen 14 days

Reference Range

See Report*

Turnaround

2 days Performed Mon-Fri

Clinical Use

Diagnose acromegaly, in which Sm-C and GH are increased; evaluate hypopituitarism and hypothalamic lesions in children (diagnosis of dwarfism and response to therapy). Low levels occur in Laron dwarfism, an entity in which GH is increased.

Test Code

IGF1W