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Insulin-Like Growth Factor 1
Alternative Names/Synonyms
IGF1, IGF-1, Somatomedin-C
Laboratory
Core Laboratory & Transfusion Medicine
Sub-section
Biochemistry
Specimen Type
Blood
Test Code
IG1
Clinical Significance (If applicable)
Screening for growth hormone deficiency, acromegaly, gigantism.
Monitoring of growth hormone therapy.
Specimen Requirements (Sample Type)
Serum
Specimen Requirements (Volume (mL))
0.5 mL
Specimen Requirements (Tube Type)
Serum (Gold SST)
Collection Containers – Tube Types
Collection Requirements
Collection Instructions
Sample Stability
Room Temperature
: 24 Hours
Fridge
: 1 week @ 2-8°C
Freezer
: 1 year @ -20°C
Cause for Rejection
Specimen Acceptability and Transport Guidance
Instrument, Methodology
Liaison XL, immunoassay
Test Availability
Weekdays
Routine Turnaround Time
1 week
Reference Ranges
See Table
In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.
Laboratory Contact Information
416-586-4800 extension 4688
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