Intact Fibroblast Growth Factor 23
Soft code: IFG23
CPT Code: 83520
Referral Laboratory: Mayo Medical Laboratories
Effective March 1, 2021, MLabs will offer Intact Fibroblast Growth Factor 23 (IFG23) testing via Mayo medical Laboratories.
Collection Instructions: Collect 3 mL of whole blood in a serum separator tube (SST). Centrifuge and aliquot serum into a plastic vial. Ship the specimen refrigerated.
Methodology: Chemiluminescence Based Quantitative Sandwich Immunoassay
Test Analysis: Test performed on Wednesday, 1-9 days turnaround time
Pediatric (<18 yrs): ≤52 pg/mL
Adults (≥18 yrs): ≤59 pg/mL