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HelpTest Code FIGF2 Insulin-like Growth Factor 2 (IGF-2)
Performing Laboratory
Esoterix EndocrinologySpecimen Type
SerumSpecimen Required
Draw blood in a plain, red-top tube(s). Separate within 1 hour of collection, freeze immediately. Send 0.5 mL serum frozen.
Note: 1. Serum gel tube is okay, but must pour off into a plastic screw cap vial and freeze.
2. Minimum volume does not permit for repeat analysis
Specimen Minimum Volume
0.1 mL
NOTE: Minimum volume does not allow for
repeat analysis.
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Frozen | 200 days |
Reference Values
|
Age |
Range (ng/mL) |
Mean |
|
Prepubertal |
258 – 882 |
570 |
|
Pubertal |
273 – 892 |
583 |
|
Adults |
333 – 967 |
650 |
Day(s) and Time(s) Performed
Tuesday
CPT Code Information
83519
Reject Due To
| Hemolysis | NA |
| Lipemia | NA |
| Icteric | NA |
| Other | NA |
Method Name
Blocking Radioimmunoassay (RIA) after acid-alcohol extraction