Fibroblast growth factor 23 (FGF23) Intact
Fibroblast growth factor is involved in phosphate metabolism. Over-expression leads to phosphate excretion. High levels are found in hypophosphataemic rickets. Clinical indication for request: a marker for the phosphate-wasting condition oncogenic osteomalacia and also hypophosphataemic rickets.
| Tube | 04 (EP) - EDTA Plasma |
|---|---|
| ID | Tests&Tubes0274 |
| Additional Information | Fasting sample required. Patient must not be ferritin deficient. Sample should be sent to the lab within one hour of collection. FGF23 C-terminal is the front line test for FGF23, see separate entry. Intact FGF23 is preferred in patients who have reduced renal function (CKD stage 3+). |
| Turn Around | Turnaround time stated by Norfolk & Norwich: 4 weeks. |
| Send to | Blood Sciences LGI (Test referred to: Norfolk & Norwich University Hospital.) |
| Advice | Full information on all referred tests can be found on the referred tests information database, EQMS reference BSF2REC17003. |
| Collection Con | Instructions to lab: Centrifuge, separate and freeze plasma within 1h of sample collection. Minimum volume: 0.6mL. |
| Sample REQ | Blood |
| Ref. Range Notes | 33-110 pg/mL |
| Units | pg/mL |
| Telepath | LGI superset code FGFI, SJUH superset code JFGFI |
