System, Test, Rheumatoid Factor
12 US facilities across 8 states are recorded as making this. Every entry below says where the claim came from — a federal registry, the company’s own website, or the company itself. Nothing here is paid for or ordered by anything but name.
| Facility | Where | Recorded by |
|---|---|---|
| BECKMAN COULTER INC | CARLSBAD, CA | federal registry |
| CTK BIOTECH, INC. | POWAY, CA | federal registry |
| GOLD STANDARD DIAGNOSTICS, LLC | DAVIS, CA | federal registry |