Test directory: IGF-1

Ordering Code 4713
Test Name IGF-1
Alias IGF 1
IGF1
Insulin Like Growth Factor
Somatomedin-C
Preferred Specimen Serum
Preferred Container Plain (Red)
Other Specimen/Container Serum in SST (Gold)
Optimum Volume 1 mL
Transport Requirements Oahu: Ambient
Airline: Refrigerated
Specimen Stability Ambient: 48 Hours
Refrigerated: 5 Days
Frozen: 28 Days
Rejection Criteria Received in glass tube, Grossly hemolyzed, Gross lipemia,
Grossly icteric
Avail. Stat NO
Analytic Time Up to 7 Days
Methodology Liquid Chromatography Mass Spectrometry
Reference Lab  Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of June 29, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
IGF-1 ALL See report.
Z-Score, Male ALL See report.
Z-Score, Female ALL See report.