Test Code FFIG2 IGF-2
Additional Codes
| Epic Ordering Code | LAB3041459 |
| NBS code | LBC13197 |
| Service code | 36786 |
Reporting Name
IGF-2Specimen Type
SerumSpecimen Required
Collection Container/Tube: Serum gel or red top
Submission Container/tube: Plastic vial
Specimen Volume: 0.5 mL Serum
Collection Instructions:
1. Within 1 hour of collection, centrifuge and aliquot 0.5 mL of serum into a plastic vial.
2. Freeze immediately after separation and send frozen.
NUH Outreach Laboratories:
Specimen Requirements
Submit only one of the following:
Preferred: Red Top
Acceptable: Yellow Top
Processing Requirements
Centrifuge and aliquot serum into a Mayo plastic tube within 1 hour. Freeze immediately.
Specimen type: Serum
Volume: 0.5 mL
Storage/transport requirements: Frozen
Specimen Minimum Volume
Serum: 0.3 mL; Note: Minimum volume does not allow for repeat analysis.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen (preferred) | 14 days |
| Ambient | 14 days | |
| Refrigerated | 14 days |
Reject Due To
| Specimen not serum | Reject |
Method Name
ELISA
Day(s) Performed
Varies
Report Available
11 to 17 daysPlease note that this is a referral test requiring transport to the external testing facility and an additional 3-5 days is required.
Reference Values
Prepubertal: 258-882 ng/mL
Pubertal: 273-892 ng/mL
Adults: 333-967 ng/mL
Performing Laboratory
Esoterix EndocrinologyCPT Code Information
83520
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FFIG2 | IGF-2 | Not Provided |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| FFIG2 | IGF-2 | Not Provided |
Secondary ID
75924Test 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.Last updated 28/07/2026