Fibroblast growth factor 23 (FGF23) C-terminal
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|
|Additional Information||Fasting sample required. Patient must not be ferritin deficient. Sample should be sent to the lab within one hour of collection.
This is the frontline test for FGF-23 however results can be affected by reduced renal function. If the patient has CKD stage 3+ then FGF23 Intact should be requested instead.
|Turn Around||Turnaround time stated by Norfolk & Norwich: 6 weeks.|
|Send to||Blood Sciences LGI
(Test referred to: Norfolk & Norwich University Hospital.)
|Contact||For further details please contact Leeds Pathology customer services: email@example.com.|
|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: 0.3mL plasma.
|Ref. Range Notes||<100 RU/mL
Interpretation will be provided with the report.
|Telepath||LGI Superset FGF1R, SJUH superset JFGF1R|