Ordering Recommendation
Mnemonic
FIBRO GF23
Methodology

Quantitative Enzyme Immunoassay

Performed

Varies

Reported

8-11 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Lavender (EDTA).

Specimen Preparation

Transfer 1.5 mL plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.

Storage/Transport Temperature

Frozen. Also acceptable: Refrigerated.

Unacceptable Conditions

Grossly hemolyzed specimens.

Remarks
Stability

Ambient: Unacceptable; Refrigerated: 2 weeks; Frozen: 3 months

Reference Interval

By Report

Interpretive Data



Compliance Category

Performed by non-ARUP Laboratory

Note
Hotline History
N/A
CPT Codes

83520

Components
Component Test Code* Component Chart Name LOINC
2011018 Fibroblast Growth Factor 23, Plasma 46699-5
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Autosomal Dominant Hypophosphatemic Rickets
  • Familial Tumoral Calcinosis with Hyperphosphatemia
  • Fibroblast Growth Factor 23 (FGF23)
  • Oncogenic Osteomalacia
  • Phosphatonin
  • X-Linked Hypophosphatemia
Fibroblast Growth Factor 23 (FGF23), Plasma

Mayo Clinic Laboratories