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HelpTest ID FIGF2 Insulin-like Growth Factor 2 (IGF-2)
Test Down Notes
Effective July 25, 2024:  This test is temporarily unavailable due to reagent supply. The downtime is expected to be >30 days. An alternate test option is not available. See test notification here.
Specimen Required
Specimen Type: Serum
Container/Tube: Red or SST
Specimen Volume: 0.5 mL
Collection Instructions: Draw blood in a plain, red-top tube(s). Separate within 1 hours 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.
Method Name
Radioimmunoassay (RIA) after acid-alcohol extraction
Reporting Name
Insulin-Like Growth Factor IISpecimen Type
SerumSpecimen 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) Performed
Tuesday
Report Available
11 to 17 daysPerforming Laboratory
Esoterix EndocrinologyTest Classification
This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.CPT Code Information
83519
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FIGF2 | Insulin-Like Growth Factor II | 2485-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z2324 | Insulin-Like Growth Factor II | 2485-1 |