Rheumatoid Factor
| Rheumatoid Factor | |
| RF, RA latex | |
| Serum (brown), Plasma (orange) | |
| 72hrs | |
| Rheumatoid factors are a heterogeneous group of autoantibodies directed against the antigenic determinants on the Fc-region of IgG molecules. They are important in the diagnosis of rheumatoid arthritis, but can also be found in other inflammatory rheumatic diseases and in various non-rheumatic diseases. | |
| No known common methodological interferences. | |
| Normal: 1-14 IU/mL Borderline: 15-25 IU/mL (Suggest repeat in 3 months if symptoms persist) |
|
| Analytical Error [1] | 4.7% |
| Reference Change Value [1] | 27.0% |
