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HelpTest Code IGFPN Insulin-Like Growth Factor 1 and Insulin-Like Growth Factor Binding Protein 3 Growth Panel, Serum
Necessary Information
Necessary Information
Indicate patient's age and sex.
Specimen Required
Patient Preparation: For 12 hours before specimen collection, patient should not take multivitamins or dietary supplements (eg, hair, skin, and nail supplements) containing biotin (vitamin B7).
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: 2 Plastic vials
Specimen Volume: 1.6 mL Serum
Collection Instructions: Centrifuge and aliquot serum into 2 plastic vials, each containing 0.8 mL of serum.
Profile Information
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| IGF1S | Insulin-Like Growth Factor 1, S | Yes | Yes |
| IGFB3 | IGFBP-3, S | Yes | Yes |
Method Name
IGF1S: Chemiluminescence
IGFB3: Enzyme-Labeled Chemiluminescent Immunometric Assay
Specimen Type
SerumSpecimen Minimum Volume
Serum: 0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen (preferred) | 14 days |
| Ambient | 72 hours | |
| Refrigerated | 72 hours |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | Reject |
Day(s) Performed
Monday through Friday
Performing Laboratory
Mayo Clinic Laboratories in Rochester