Test directory: Intact Fibroblast Growth Factor 23

Ordering Code 7742
Test Name Intact Fibroblast Growth Factor 23
Alias Intact-FGF23
Preferred Specimen Serum
Preferred Container SST (Gold)
Other Specimen/Container Serum in Plain (Red)
Optimum Volume 1 mL
Transport Requirements Oahu: Refrigerated
Airline: Refrigerated
Specimen Stability Ambient: Not Stable
Refrigerated: 14 Days
Frozen: 90 Days
Rejection Criteria Grossly hemolyzed
Avail. Stat NO
Analytic Time 10 Days
Methodology Chemiluminescence Based Quantitative Sandwich Immunoassay
Reference Lab  Mayo Medical Lab

Reference range(s)

The reference ranges listed below are valid on this date of June 29, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Intact Fibroblast Growth Factor 23 >=18Y <=59 <=59 pg/mL
Intact Fibroblast Growth Factor 23 0-17Y <=52 <=52 pg/mL