Specimen: 3 mL (1.5 mL min.) serum from 1 SST. Separate serum within 1 hour of collection and FREEZE. Ship frozen. DO NOT THAW. Overnight fasting is mandatory. Patient should be at complete rest 30 minutes prior to sampling.
Stability (Room): N/A
Stability (Refrigerated): N/A
Stability (Frozen): 4 weeks
Method: Chemiluminescent Immunoassay
Comment: Also see GROWTH DISORDER PANEL.
Price: Contact Medilab
Turnaround time (TAT): 10 – 15 days
Usage: Low IGF-1 levels are observed in Growth hormone (GH) deficiency / resistance. Elevated levels indicate a sustained overproduction of GH or excessive recombinant human Growth hormone (rhGH) injections. This assay is useful for diagnosing growth disorders and adult GH deficiency. It is also used to monitor rhGH treatment. This test is also used for diagnosis and followup of Acromegaly & Gigantism.
Disease: Disorders of Growth
Home Collection: Available
Pre-test Information: Overnight fasting is mandatory. Patient should be at complete rest 30 minutes prior to sampling.