FGF-23 (Fibroblast Growth Factor 23)
Test Summary
FGF 23 determination is useful in diagnosis and monitoring oncogenic osteomalacia, diagnosis of familial tumoral calcinosis with hyphosphatemia, diagnosis of X -linked phosphatemia or autosomal dominant hypophospatemic rickets, predicting treatment response to calcitriol or vitamin D analogs in patients with renal failure
Aliases
- Human FGF 23, FGF-23, C-terminal FGF 23, intact and C-terminal FGF 23 .
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL plasma collected in a lavender top tube (EDTA)
Minimum Volume
0.3 mL
Instructions
N/A
Patient Preparation
Fasting specimen is preferred.
Storage
N/A
Transport Temperature
Frozen
Specimen Stability
- Room temperature: Unacceptable
- Refrigerated: 6 hours
- Frozen: 90 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Received room temperature
Order Code
FGF23
EPIC (Premier) Code
LAB5755
Includes
N/A
CPT Code
- 83520
Billing Code
- 670293
CPT Statement
Methodology
ELISA
FDA Status
The performance characteristics of this test were determined by Pan Laboratories. It has not been cleared or approved by the U.S. Food and Drug Administration.
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Pan Laboratories, LLC
15375 Barranca Pkw
E101
Irvine CA, 92618
15375 Barranca Pkw
E101
Irvine CA, 92618
Department
Reference Testing
Reference Range
Adults | <180 RU /mL |
Children (1 Month-17 Years) | <230 RU /mL |
Infants | >900 RU /mL |
Setup Schedule / Expected Turnaround Time
Friday; Report available: 1 day
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL plasma collected in a lavender top tube (EDTA)
Minimum Volume
0.3 mL
Instructions
N/A
Patient Preparation
Fasting specimen is preferred.
Storage
N/A
Transport Temperature
Frozen
Specimen Stability
- Room temperature: Unacceptable
- Refrigerated: 6 hours
- Frozen: 90 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Received room temperature
Result Information
Methodology
ELISA
Testing Laboratory
N/A
Reference Range
Adults | <180 RU /mL |
Children (1 Month-17 Years) | <230 RU /mL |
Infants | >900 RU /mL |
Setup Schedule / Expected Turnaround Time
Friday; Report available: 1 day