TEST DOWN
Insulin-Like Growth Factor Panel
Order Code: IGFPN
Fee Code: 22008 IGF-1, 22009 IGFBP3 (CPT 84305 IGF-1, 83520 IGFBP3)
LOINC: 2484-4, 2483-6
Reference Lab: Mayo IGFPN
Effective June 24, 2026, Mayo Clinic Laboratories test, IGFPN, will become non-orderable due to assay issues impacting IGF1S (Insulin-Like Growth Factor 1). Pending specimens received at Mayo Clinic Laboratories will be stabilized and tested under the suggested alternative test. The duration of this test down is expected to be >30 days.
Recommended alternative test: IGF-1, LC/MS, Test ID: FIGF1.
Collection Instructions: Collect sample in a red top tube. Centrifuge, aliquot 0.5 mL into a plastic vial and refrigerate.
NOTE: The recommended alternative should be ordered in conjunction with Mayo Clinic Laboratories test, Insulin-Like Growth Factor Binding Protein 3, Serum. TEST ID: IGFB3.