Measures the levels of rheumatoid factor antibodies (RF) in the blood
| # | Retailer | Lab | Seen | Price | |
|---|---|---|---|---|---|
| 1 | Walk-In Labcheapest via Quest · seen today | Quest | today | $149 | order → |
| 2 | DirectLabs via Quest Diagnostics · seen today | Quest Diagnostics | today | $159 | order → |
| 3 | LabsMD seen today | — | today | $303 | order → |
| Thyroglobulin Antibody Test | 9 retailers | $5 |
| Rheumatoid Factor Test | 7 retailers | $7 |
| Complement, Total (CH50) | 7 retailers | $25 |
| Thyroid Peroxidase Antibodies (TPO) | 6 retailers | $34.95 |
| Celiac Disease Test Panel | 5 retailers | $41 |
| DNA (ds) Antibody | 5 retailers | $11 |
| Scleroderma Antibody (Scl-70) | 5 retailers | $61.95 |
| HLA Typing for Celiac Disease | 5 retailers | $299 |