Test Details
Mnemonic
IGF2
Ordering Code
3400827
CPT-4 Code(s)
82542
Specimen Information
Patient Preparation
Overnight fasting is preferred
Collect
Red top
Specimen Preparation
Allow blood to clot (10 - 15 minutes) at room temperature. Separate serum from cells and send 0.5 mL serum in a screw capped plastic vial.
Alternate Specimen
Serum separator tube (SST)
Minimum Volume
0.3 mL
Transport Temperature
Room temperature
Rejection Criteria
Hemolysis, Grossly lipemic, Plasma
Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen -20°C: 21 days
Frozen -70°C: 34 days
Refrigerated: 7 days
Frozen -20°C: 21 days
Frozen -70°C: 34 days
Methodology
Chromatography/Mass Spectrometry
Reference Range
<2 years: Not established
2 - 17 years: 260 - 630 ng/mL
≥18 year: 267 - 616 ng/mL
2 - 17 years: 260 - 630 ng/mL
≥18 year: 267 - 616 ng/mL
Performing Laboratory
Quest
New York DOH Approval Status
Yes